A vulnerability was discovered in the indexOf function of JSONParserByteArray in JSON Smart versions 1.3 and 2.4 which causes a denial of service (DOS) via a crafted web request
Unknown · Unknown
7.5HighCVSS 3.1
Recommended action
Within 7 days
High technical severity with public exploit material referenced by a structured source; prioritise exposed affected systems while verifying vendor guidance.
Published severityHigh→Operational priority:Critical, raised one band.upgradedsince 3 Aug 2024
Evidence used
No CISA KEV confirmation is currently recorded.
A structured source references public exploit or proof-of-concept material.
The selected CVSS metric records a network-reachable, unauthenticated path with no user interaction.
EPSS is 2.28% 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.
Increase monitoring for the attack path and post-exploitation behaviour described in the report.
Verification
Confirm that the asset runs Unknown Unknown and falls inside the recorded affected range.
Verify the installed build against the product-specific fixed version after deployment.
Validate exposure, authentication requirements and compensating controls in the actual environment.
Reopen this reassessment when CVSS, KEV, EPSS, exploit evidence or remediation changes.
Distribution package intelligence
Release-specific package status
Debian findings are scoped to the named distribution, release and source package. An absent finding does not mean a package is unaffected.
4 package states
Repository candidate not checked
A published vendor fix does not prove that a matching update is enabled and installable on a particular asset. Confirm the local package candidate before scheduling remediation.
Distribution release
Source package
Vendor state
Fixed version
Evidence
Debian trixietrixie · source
json-smart
Vendor fix publishedDebian records a fixed source-package version for this release.
These OSV and GitHub advisory ranges apply only to the named package and ecosystem. A listed fixed version is not a universal product patch or proof that an update is installed.
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-2021-31684 · CSAF 2.0 · revision 3 · finalRed Hat Product Securityjson-smart: Denial of Service in JSONParserByteArray function
9 known affected
The vendor explicitly identifies these products as affected by this CVE.
json-smart as a component of Red Hat build of Quarkus
json-smart as a component of Red Hat Decision Manager 7
json-smart as a component of Red Hat Integration Data Virtualisation Operator
json-smart as a component of Red Hat JBoss Data Grid 7
json-smart as a component of Red Hat JBoss Enterprise Application Platform 6
json-smart as a component of Red Hat JBoss Fuse 6
json-smart as a component of Red Hat JBoss Fuse Service Works 6
json-smart as a component of Red Hat Process Automation 7
json-smart as a component of Red Hat Single Sign-On 7
Summary
A flaw was found in the json-smart package in the JSONParserByteArray. This flaw allows an attacker to cause a denial of service.
Remediation
Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on. Installation instructions are available from the Fuse 7.11.1 product documentation page: https://access.redhat.com/documentation/en-us/red_hat_fuse/7.11/
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-2022-0980
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 actionWithin 7 days
High technical severity with public exploit material referenced by a structured source; prioritise exposed affected systems while verifying vendor guidance.
Patch available
01
What, why and how
A vulnerability was discovered in the indexOf function of JSONParserByteArray in JSON Smart versions 1.3 and 2.4 which causes a denial of service (DOS) via a crafted web request.
What
A vulnerability was discovered in the indexOf function of JSONParserByteArray in JSON Smart versions 1.3 and 2.4 which causes a denial of service (DOS) via a crafted web request.
Why
A bounds error lets data be written beyond the intended memory region, potentially corrupting control data.
How
An attacker operating through a network path may attempt exploitation without authentication or user interaction. If successful, the issue may disrupt the affected service.
What
A vulnerability was discovered in the indexOf function of JSONParserByteArray in JSON Smart versions 1.3 and 2.4 which causes a denial of service (DOS) via a crafted web request.
Why
A bounds error lets data be written beyond the intended memory region, potentially corrupting control data.
How
An attacker operating through a network path may attempt exploitation without authentication or user interaction. If successful, the issue may disrupt the affected service.
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.Reference recorded
A structured CVE source labels at least one public reference as exploit material. BlackTree has not independently validated that it is safe, reliable or weaponised.
Likely attack path
a network path → Out-of-bounds Write → disrupt the affected service
Attack surface
Network
Privileges required
None: unauthenticated exploitation is possible
User interaction
None
Attack complexity
Low: no specialised conditions are recorded
Security boundary
Unchanged: impact remains within the vulnerable component's security authority
Weakness ?CWE means Common Weakness Enumeration: a standard category for the underlying weakness.
CWE-787: Out-of-bounds Write. The product writes data past the end, or before the beginning, of the intended buffer.
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:N/UI:N/S:U/C:N/I:N/A:H
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.PRNonePrivileges required: The attacker does not need an account or existing privileges.UINoneUser interaction: No action by another user is required.SUnchangedScope: The security impact remains within the vulnerable component's authority.CNoneConfidentiality impact: No direct loss is represented by this metric.INoneIntegrity impact: No direct loss is represented by this metric.AHighAvailability impact: A successful attack can cause a major loss.
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.
NetworkUnauthenticatedDenial of serviceCWE-787Public exploit reference
A
Official authority intelligence
Only matched European and national findings are included. Language selectors and unavailable sources are omitted.
ENISA EUVD · EUVD-2022-0980Official EUVD mapping
0 linked advisory records.
Official EUVD record ↗BSI · German · WID-SEC-2023-2700Atlassian Confluence: Mehrere Schwachstellen
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Atlassian Confluence, Atlassian Jira Software, Atlassian Bitbucket und Atlassian Bamboo ausnutzen, um Administratorrechte zu erlangen, Informationen offenzulegen, beliebigen Programmcode auszuführen oder einen Denial of Service Zustand herbeizuführen.
Official advisory ↗BSI · German · WID-SEC-2024-0257IBM QRadar SIEM User Behavior Analytics: Mehrere Schwachstellen
Ein anonymer Angreifer kann mehrere Schwachstellen in IBM QRadar SIEM User Behavior Analytics ausnutzen, um einen Denial-of-Service-Zustand herbeizuführen, einen Man-in-the-Middle-Angriff durchzuführen oder vertrauliche Informationen offenzulegen.
Official advisory ↗BSI · German · WID-SEC-2023-1016Oracle Fusion Middleware: Mehrere Schwachstellen
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Oracle Fusion Middleware ausnutzen, um die Vertraulichkeit, Integrität und Verfügbarkeit zu gefährden.
Official advisory ↗Cyber Security Agency of Singapore · English · CSA-SB-20210602Security Bulletin 02 Jun 2021
The Cyber Security Agency of Singapore included this CVE in its official Security Bulletin 02 Jun 2021, published on 2 June 2021. Open the linked bulletin for the product, severity and reference information published in that issue.
Official advisory ↗CERT-FR · French · CERTFR-2026-AVI-1165Multiples vulnérabilités dans les produits IBM
Official advisory ↗CERT-FR · French · CERTFR-2024-AVI-0090Multiples vulnérabilités dans les produits IBM
De multiples vulnérabilités ont été découvertes dans les produits IBM . Certaines d'entre elles
permettent à un attaquant de provoquer une injection de code indirecte à
distance (XSS), une exécution de code arbitraire à distance et une
atteinte à la confidentialité des données.
Official advisory ↗CERT-FR · French · CERTFR-2024-AVI-0086Multiples vulnérabilités dans Juniper
que de sécurité.
Solution
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des
correctifs (cf. section Documentation).
Documentation
Bulletin de sécurité Juniper JSA76715 du 1 février 2024
https://supportportal.juniper.net/s/article/2024-01-Security-Bulletin-JSA-Series-Multiple-vulnerabilities-resolved-in-7-5-0-UP7-IF04?language=en_US
Bulletin de sécurité Juniper JSA76718 du 1 février 2024
https://supportportal.juniper.net/s/article/2024-01-Security-Bulletin-JSA-Series-Multiple-vulnerabilities-resolved-in-JSA-Applications?language=en_US
Référence CVE CVE-2021-23445
https://www.cve.org/CVERecord?id=CVE-2021-23445
Référence CVE CVE-2021-31684
https://www.cve.org/CVERecord?id=CVE-2021-31684
Référence CVE CVE-2021-4048
https://www.cve.org/CVERecord?id=CVE-2021-4048
Référence CVE CVE-2022-25883
https://www.cve.org/CVERecord?id=CVE-2022-25883
Référence CVE CVE-2022-3171
https://www.cve.org/CVERecord?id=CVE-2022-3171
Référence CVE CVE-2022-3509
https://www.cve.org/CVERecord?id=CVE-2022-3509
Référence CVE CVE-2023-1370
https://www.cve.org/CVERecord?id=CVE-2023-1370
Référence CVE CVE-2023-2976
https://www.cve.org/CVERecord?id=CVE-2023-2976
Référence CVE CVE-2023-31484
https://www.cve.org/CVERecord?id=CVE-2023-31484
Référence CVE CVE-2023-33201
https://www.cve.org/CVERecord?id=CVE-2023-3
Official advisory ↗CERT-FR · French · CERTFR-2023-AVI-0325Multiples vulnérabilités dans les produits Oracle
stance, un déni de service à
distance et un contournement de la politique de sécurité.
Solution
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des
correctifs (cf. section Documentation).
Documentation
Bulletin de sécurité Oracle cpuapr2023 du 18 avril 2023
https://www.oracle.com/security-alerts/cpuapr2023.html
Référence CVE CVE-2020-14343
https://www.cve.org/CVERecord?id=CVE-2020-14343
Référence CVE CVE-2020-25638
https://www.cve.org/CVERecord?id=CVE-2020-25638
Référence CVE CVE-2020-6950
https://www.cve.org/CVERecord?id=CVE-2020-6950
Référence CVE CVE-2021-22569
https://www.cve.org/CVERecord?id=CVE-2021-22569
Référence CVE CVE-2021-31684
https://www.cve.org/CVERecord?id=CVE-2021-31684
Référence CVE CVE-2021-36090
https://www.cve.org/CVERecord?id=CVE-2021-36090
Référence CVE CVE-2021-37533
https://www.cve.org/CVERecord?id=CVE-2021-37533
Référence CVE CVE-2022-1471
https://www.cve.org/CVERecord?id=CVE-2022-1471
Référence CVE CVE-2022-31160
https://www.cve.org/CVERecord?id=CVE-2022-31160
Référence CVE CVE-2022-34169
https://www.cve.org/CVERecord?id=CVE-2022-34169
Référence CVE CVE-2022-36033
https://www.cve.org/CVERecord?id=CVE-2022-36033
Référence CVE CVE-2022-37434
https://www.cve.org/CVERecord?id=CVE-2022-37434
Référence CVE CVE-2022-40152
https://www.cve.org/CVERecord?id=CV
Official advisory ↗CERT-FR · French · CERTFR-2022-AVI-658Multiples vulnérabilités dans Oracle PeopleSoft
De multiples vulnérabilités ont été découvertes dans Oracle PeopleSoft.
Certaines d'entre elles permettent à un attaquant de provoquer une
exécution de code arbitraire, un déni de service à distance et une
atteinte à l'intégrité des données.
Official advisory ↗JVN iPedia · Japanese · JVNDB-2021-007588JSON Smart における境界外書き込みに関する脆弱性
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.
Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on. Installation instructions are available from the Fuse 7.11.1 product documentation page: https://access.redhat.com/documentation/en-us/red_hat_fuse/7.11/
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 1 Jun 2021 · Last source change 3 Aug 2024, 23:03 UTC · CWE-787 · Out-of-bounds Write
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-2022-0980
Product sourceVendor CSAF · Red Hat Product Security
Remediation sourceVendor CSAF · Red Hat Product Security
CWE sourceNIST NVD
NVD statusNVD modified after enrichment
Missing structured fields: affected product. Missing data is not evidence of low risk; review the primary advisory.
Affected versionsThe structured affected or fixed version information changed.
Before
n/a · Fixed: An authoritative update reference is available, but the fixed version is not recorded in the structured CVE fields. Check the linked vendor advisory for the applicable release.
After
n/a · Fixed: Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on. Installation instructions are available from the Fuse 7.11.1 product documentation page: https://access.redhat.com/documentation/en-us/red_hat_fuse/7.11/
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.