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Full vulnerability report · 2021
CVE-2021-3536High confidence

A flaw was found in Wildfly in versions before 23.0.2.Final while creating a new role in domain mode via the admin console, it is possible to add a payload in the name field, leading to XSS

Unknown · wildfly

4.8MediumCVSS 3.1
Recommended action
Scheduled

Medium technical severity with no CISA KEV confirmation; remediate through the normal risk-based patch cycle unless local exposure raises the priority.

Patch available
R
Operational reassessment

Published severity in operational context

Open reassessment dashboard →
Published severityMediumOperational priority:Medium, unchanged from published severity.unchanged

Evidence used

  • No CISA KEV confirmation is currently recorded.
  • EPSS is 0.53% for the current model date.

Compensating controls

  • Validate the affected product branch and deploy the verified fixed release.
  • Restrict the affected network interface to trusted sources where business-safe.
  • Monitor vendor guidance and exploitation sources for a material change.

Verification

  1. Confirm that the asset runs Unknown wildfly and falls inside the recorded affected range.
  2. Verify the installed build against the product-specific fixed version after deployment.
  3. Validate exposure, authentication requirements and compensating controls in the actual environment.
  4. Reopen this reassessment when CVSS, KEV, EPSS, exploit evidence or remediation changes.
Mitigation target: As exposure requiresRemediation target: Within 365 days

This automated reassessment organises public evidence. It does not know asset exposure, business impact or control effectiveness and does not replace CVSS or a human risk decision.

Direct vendor intelligence

Authoritative vendor CSAF and VEX advisories

Structured product status and remediation from the issuing vendor. Product-state explanations are always visible; large lists can be searched or downloaded.

1 current
CVE-2021-3536 · CSAF 2.0 · revision 3 · finalRed Hat Product Securitywildfly: XSS via admin console when creating roles in domain mode
6 known affected

The vendor explicitly identifies these products as affected by this CVE.

  • wildfly as a component of Red Hat build of Quarkus
  • wildfly as a component of Red Hat Data Grid 8
  • wildfly as a component of Red Hat JBoss Data Grid 7
  • wildfly as a component of Red Hat JBoss Enterprise Application Platform Expansion Pack
  • wildfly as a component of Red Hat OpenShift Application Runtimes
  • wildfly as a component of Red Hat support for Spring Boot
Summary
A flaw was found in Wildfly. While creating a new role in the domain mode via the admin console, it is possible to add a payload in the name field, leading to a Cross-site scripting attack (XSS). The highest threat from this vulnerability is to confidentiality and integrity.
Remediation
Before applying this update, back up your existing Red Hat JBoss Enterprise Application Platform installation and deployed applications. For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
Optional official sources

National CERT insights
?CERT means Computer Emergency Response Team; CSIRT is the closely related term Computer Security Incident Response Team.

Choose official national sources for this report. Each advisory shows its original language. Your selection is remembered on this device and included in shared links.

Official European source

ENISA European Vulnerability Database

Official EUVD identifiers, advisory evidence and known-exploited context. Missing fields are not treated as evidence of low risk.

1 current
ENISA EUVD identifier

EUVD-2021-1193

No EUVD known-exploited evidence

ENISA has published the identifier mapping but no EUVD description has been stored yet.

EUVD state
Present in the current official mapping
Known exploitation
Not present in the current ENISA EUVD known-exploited dataset. This is not proof of no exploitation.
ENISA score
Not supplied in the stored EUVD record
Advisory evidence
No linked advisory details stored yet
Recommended actionScheduled

Medium technical severity with no CISA KEV confirmation; remediate through the normal risk-based patch cycle unless local exposure raises the priority.

Patch available
01

What, why and how

A flaw was found in Wildfly in versions before 23.0.2.Final while creating a new role in domain mode via the admin console, it is possible to add a payload in the name field, leading to XSS. This affects Confidentiality and Integrity.

What

A flaw was found in Wildfly in versions before 23.0.2.Final while creating a new role in domain mode via the admin console, it is possible to add a payload in the name field, leading to XSS. This affects Confidentiality and Integrity.

Why

Attacker-controlled content can reach a browser as executable script without sufficient output encoding or sanitisation.

How

An attacker operating through a network path may attempt exploitation with elevated privileges. If successful, the issue may cause the confidentiality, integrity or availability impact described by the vendor.

What

A flaw was found in Wildfly in versions before 23.0.2.Final while creating a new role in domain mode via the admin console, it is possible to add a payload in the name field, leading to XSS. This affects Confidentiality and Integrity.

Why

Attacker-controlled content can reach a browser as executable script without sufficient output encoding or sanitisation.

How

An attacker operating through a network path may attempt exploitation with elevated privileges. If successful, the issue may cause the confidentiality, integrity or availability impact described by the vendor.

02

Exploit reality and attack path

CVSS severity, EPSS forecast probability, public exploit material and CISA-confirmed exploitation are separate signals.

Observed exploitation
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
No confirmed evidence

No CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.

Public PoC / exploit material
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
None recorded

No exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds.

Likely attack path
a network path → Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') → cause the confidentiality, integrity or availability impact described by the vendor
Attack surface
Network
Privileges required
High: elevated access is required
User interaction
Required interaction required
Attack complexity
Low: no specialised conditions are recorded
Security boundary
Changed: exploitation can affect a different security authority
Weakness
?CWE means Common Weakness Enumeration: a standard category for the underlying weakness.
CWE-79 ↗

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'). The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

CVSS vector
?CVSS means Common Vulnerability Scoring System. The vector records the metric values used to calculate technical severity.
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Common Vulnerability Scoring System 3.1: the compact vector below is decoded into plain language.

AVNetworkAttack vector: The vulnerable component can be reached over a network.ACLowAttack complexity: No specialised conditions are required beyond attacker-controlled input.PRHighPrivileges required: The attacker needs elevated or administrative privileges.UIRequiredUser interaction: Another user must perform an action for exploitation to succeed.SChangedScope: The attack can affect a component governed by a different security authority.CLowConfidentiality impact: A successful attack can cause a limited loss.ILowIntegrity impact: A successful attack can cause a limited loss.ANoneAvailability impact: No direct loss is represented by this metric.
Post-exploitation / living off the land
No specific living-off-the-land technique is confirmed in the structured sources. Monitor normal administration tools for activity inconsistent with the affected service's baseline.
NetworkCWE-79
A

Official authority intelligence

Only matched European and national findings are included. Language selectors and unavailable sources are omitted.

Cyber Security Agency of Singapore · English · CSA-SB-20210526Security Bulletin 26 May 2021

The Cyber Security Agency of Singapore included this CVE in its official Security Bulletin 26 May 2021, published on 26 May 2021. Open the linked bulletin for the product, severity and reference information published in that issue.

Official advisory ↗
CERT-FR · French · CERTFR-2021-AVI-951Multiples vulnérabilités dans le noyau Linux de RedHat

d?id=CVE-2021-27568 Référence CVE CVE-2021-28163 https://www.cve.org/CVERecord?id=CVE-2021-28163 Référence CVE CVE-2021-28164 https://www.cve.org/CVERecord?id=CVE-2021-28164 Référence CVE CVE-2021-28169 https://www.cve.org/CVERecord?id=CVE-2021-28169 Référence CVE CVE-2021-28170 https://www.cve.org/CVERecord?id=CVE-2021-28170 Référence CVE CVE-2021-29425 https://www.cve.org/CVERecord?id=CVE-2021-29425 Référence CVE CVE-2021-30129 https://www.cve.org/CVERecord?id=CVE-2021-30129 Référence CVE CVE-2021-30468 https://www.cve.org/CVERecord?id=CVE-2021-30468 Référence CVE CVE-2021-34428 https://www.cve.org/CVERecord?id=CVE-2021-34428 Référence CVE CVE-2021-3536 https://www.cve.org/CVERecord?id=CVE-2021-3536 Référence CVE CVE-2021-3597 https://www.cve.org/CVERecord?id=CVE-2021-3597 Référence CVE CVE-2021-3629 https://www.cve.org/CVERecord?id=CVE-2021-3629 Référence CVE CVE-2021-3690 https://www.cve.org/CVERecord?id=CVE-2021-3690 Référence CVE CVE-2021-37136 https://www.cve.org/CVERecord?id=CVE-2021-37136 Référence CVE CVE-2021-37137 https://www.cve.org/CVERecord?id=CVE-2021-37137 Référence CVE CVE-2021-37714 https://www.cve.org/CVERecord?id=CVE-2021-37714 Référence CVE CVE-2021-4104 https://www.cve.org/CVERecord?id=CVE-2021-4104 Référence CVE CVE-2021-44228 https://www.cve.org/CVERecord?id=CVE-2021-

Official advisory ↗
JVN iPedia · Japanese · JVNDB-2021-007113Wildfly におけるクロスサイトスクリプティングの脆弱性

Wildfly には、クロスサイトスクリプティングの脆弱性が存在します。

Official advisory ↗
03

Patch and workaround

Operational remediation based on structured source evidence.

Status
?Patch availability is based on structured fixed-version fields and authoritative update references. If no fix is verified, check the vendor advisory before making a change.
Patch available
Affected
Fixed
Action
Before applying this update, back up your existing Red Hat JBoss Enterprise Application Platform installation and deployed applications. For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
Workaround
No verified workaround is recorded. If business-safe, reduce exposure to the affected interface and allow only trusted sources until authoritative guidance is available.
04

Evidence and provenance

Published 20 May 2021 · Last source change 3 Aug 2024, 17:01 UTC · CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVE recordCVE.org · 5.1
CVSS sourceNIST NVD
EPSS source
?The date BlackTree first stored a score for this CVE from the daily FIRST EPSS feed.
FIRST · tracked since 2026-08-14
European sourceENISA EUVD · EUVD-2021-1193
Product sourceVendor CSAF · Red Hat Product Security
Remediation sourceVendor CSAF · Red Hat Product Security
CWE sourceCNA
NVD statusNVD modified after enrichment

Missing structured fields: affected product. Missing data is not evidence of low risk; review the primary advisory.

Material change intelligence

What changed after publication

View recent updates ↗
  1. Affected versionsThe structured affected or fixed version information changed.
    Before
    Wildfly 23.0.2.Final · Fixed: No fixed version is explicitly recorded in the structured CVE data.
    After
    Wildfly 23.0.2.Final · Fixed: Before applying this update, back up your existing Red Hat JBoss Enterprise Application Platform installation and deployed applications. For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
    Red Hat Product Security ↗
  2. Remediation statusRemediation status changed from Awaiting fix to Patch available.
    Before
    Awaiting fix
    After
    Patch available
    Red Hat Product Security ↗
  3. Affected versionsThe structured affected or fixed version information changed.
    Before
    wildfly as a component of Red Hat build of Quarkus; wildfly as a component of Red Hat Data Grid 8; wildfly as a component of Red Hat JBoss Data Grid 7; wildfly as a component of Red Hat OpenShift Application Runtimes; wildfly as a component of Red Hat support for Spring Boot · Fixed: eap7-elytron-web-0:1.6.3-1.Final_redhat_00001.1.el6eap.src as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-hal-console-0:3.2.15-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-hal-console-0:3.2.15-1.Final_redhat_00001.1.el6eap.src as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-hibernate-0:5.3.20-3.SP1_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-hibernate-0:5.3.20-3.SP1_redhat_00001.1.el6eap.src as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-hibernate-core-0:5.3.20-3.SP1_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-hibernate-entitymanager-0:5.3.20-3.SP1_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-hibernate-envers-0:5.3.20-3.SP1_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-hibernate-java8-0:5.3.20-3.SP1_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-infinispan-0:9.4.23-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-infinispan-0:9.4.23-1.Final_redhat_00001.1.el6eap.src as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-infinispan-cachestore-jdbc-0:9.4.23-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-infinispan-cachestore-remote-0:9.4.23-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-infinispan-client-hotrod-0:9.4.23-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-infinispan-commons-0:9.4.23-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-infinispan-core-0:9.4.23-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-infinispan-hibernate-cache-commons-0:9.4.23-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-infinispan-hibernate-cache-spi-0:9.4.23-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-infinispan-hibernate-cache-v53-0:9.4.23-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-ironjacamar-0:1.4.33-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-ironjacamar-0:1.4.33-1.Final_redhat_00001.1.el6eap.src as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-ironjacamar-common-api-0:1.4.33-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-ironjacamar-common-impl-0:1.4.33-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-ironjacamar-common-spi-0:1.4.33-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-ironjacamar-core-api-0:1.4.33-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-ironjacamar-core-impl-0:1.4.33-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-ironjacamar-deployers-common-0:1.4.33-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-ironjacamar-jdbc-0:1.4.33-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-ironjacamar-validator-0:1.4.33-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-jberet-0:1.3.8-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; and 212 more
    After
    wildfly as a component of Red Hat build of Quarkus; wildfly as a component of Red Hat Data Grid 8; wildfly as a component of Red Hat JBoss Data Grid 7; wildfly as a component of Red Hat JBoss Enterprise Application Platform Expansion Pack; wildfly as a component of Red Hat OpenShift Application Runtimes; wildfly as a component of Red Hat support for Spring Boot · Fixed: eap7-elytron-web-0:1.6.3-1.Final_redhat_00001.1.el6eap.src as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-hal-console-0:3.2.15-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-hal-console-0:3.2.15-1.Final_redhat_00001.1.el6eap.src as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-hibernate-0:5.3.20-3.SP1_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-hibernate-0:5.3.20-3.SP1_redhat_00001.1.el6eap.src as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-hibernate-core-0:5.3.20-3.SP1_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-hibernate-entitymanager-0:5.3.20-3.SP1_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-hibernate-envers-0:5.3.20-3.SP1_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-hibernate-java8-0:5.3.20-3.SP1_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-infinispan-0:9.4.23-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-infinispan-0:9.4.23-1.Final_redhat_00001.1.el6eap.src as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-infinispan-cachestore-jdbc-0:9.4.23-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-infinispan-cachestore-remote-0:9.4.23-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-infinispan-client-hotrod-0:9.4.23-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-infinispan-commons-0:9.4.23-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-infinispan-core-0:9.4.23-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-infinispan-hibernate-cache-commons-0:9.4.23-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-infinispan-hibernate-cache-spi-0:9.4.23-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-infinispan-hibernate-cache-v53-0:9.4.23-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-ironjacamar-0:1.4.33-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-ironjacamar-0:1.4.33-1.Final_redhat_00001.1.el6eap.src as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-ironjacamar-common-api-0:1.4.33-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-ironjacamar-common-impl-0:1.4.33-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-ironjacamar-common-spi-0:1.4.33-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-ironjacamar-core-api-0:1.4.33-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-ironjacamar-core-impl-0:1.4.33-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-ironjacamar-deployers-common-0:1.4.33-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-ironjacamar-jdbc-0:1.4.33-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-ironjacamar-validator-0:1.4.33-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; eap7-jberet-0:1.3.8-1.Final_redhat_00001.1.el6eap.noarch as a component of Red Hat JBoss EAP 7.3 for RHEL 6 Server; and 212 more
    Red Hat Product Security ↗
Material fields only · duplicate refreshes suppressed · history retained for the configured operational retention period
CVE published
Fixed release recorded from official guidance
ENISA EUVD · EUVD-2021-1193↗Red Hat Product Security security advisory↗CVE authority or vendor reference↗Official CVE record (CNA and ADP data)↗NVD record↗
Technical terms and abbreviations used in this report
CVE
Common Vulnerabilities and Exposures: the public identifier for one disclosed vulnerability.
CVSS
Common Vulnerability Scoring System: a technical severity framework; it is not patching priority by itself.
EPSS
Exploit Prediction Scoring System: FIRST's estimate of the probability that exploitation activity will be observed in the next 30 days; it is a forecast, not confirmation.
CWE
Common Weakness Enumeration: the standard category describing the underlying software or hardware weakness.
CNA
CVE Numbering Authority: an organisation authorised to assign and publish CVE records.
CISA ADP
Cybersecurity and Infrastructure Security Agency Authorized Data Publisher: structured enrichment added to a CVE record.
NVD
National Vulnerability Database: NIST's enrichment service for CVE records.
CERT / CSIRT
A computer security incident response team that publishes warnings or coordinates incident response.
PoC
Proof of concept: public material that demonstrates or helps reproduce exploitation.
CSAF
Common Security Advisory Framework: a machine-readable format for security advisories.
LoTL
Living off the land: abuse of legitimate tools or system functions during an attack.
Free version - for non-commercial use only.CVE-2021-3536 · cve.blacktree.nl