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Full vulnerability report · 2021
CVE-2021-0650High confidence

This could lead to remote information disclosure with no additional execution privileges needed

n/a · Android

6.5MediumCVSS 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
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
SSA-770721 · CSAF 2.0 · revision 1 · interimSiemens ProductCERTSSA-770721: Multiple Vulnerabilities in SIMATIC RF160B before V2.2
1 known affected

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

  • SIMATIC RF160B (6GT2003-0FA00)
Summary
In WT_InterpolateNoLoop of eas_wtengine.c, there is a possible out of bounds read due to an incorrect bounds check. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-9Android ID: A-190286685
Remediation
Update to V2.2 or later version
Optional official sources

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

Select the national-authority views to include. The exact source language is shown on each matched advisory. Your choice is remembered on this device and encoded in the shareable URL.

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-2021-3269

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

In WT_InterpolateNoLoop of eas_wtengine.c, there is a possible out of bounds read due to an incorrect bounds check. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-9Android ID: A-190286685

What

In WT_InterpolateNoLoop of eas_wtengine.c, there is a possible out of bounds read due to an incorrect bounds check. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-9Android ID: A-190286685

Why

The product reads data past the end, or before the beginning, of the intended buffer.

How

An attacker operating through a network path may attempt exploitation without authentication after a user interaction. If successful, the issue may obtain information outside the intended access boundary.

What

In WT_InterpolateNoLoop of eas_wtengine.c, there is a possible out of bounds read due to an incorrect bounds check. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-9Android ID: A-190286685

Why

The product reads data past the end, or before the beginning, of the intended buffer.

How

An attacker operating through a network path may attempt exploitation without authentication after a user interaction. If successful, the issue may obtain information outside the intended access boundary.

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 → Out-of-bounds Read → obtain information outside the intended access boundary
Attack surface
Network
Privileges required
None: unauthenticated exploitation is possible
User interaction
Required interaction required
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-125 ↗

CWE-125: Out-of-bounds Read. The product reads 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:R/S:U/C:H/I:N/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.PRNonePrivileges required: The attacker does not need an account or existing privileges.UIRequiredUser interaction: Another user must perform an action for exploitation to succeed.SUnchangedScope: The security impact remains within the vulnerable component's authority.CHighConfidentiality impact: A successful attack can cause a major loss.INoneIntegrity impact: No direct loss is represented by this metric.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.
NetworkUnauthenticatedCWE-125
A

Official authority intelligence

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

CERT-FR · French · CERTFR-2024-AVI-0203Multiples vulnérabilités dans les produits Siemens

.cve.org/CVERecord?id=CVE-2021-0598 Référence CVE CVE-2021-0599 https://www.cve.org/CVERecord?id=CVE-2021-0599 Référence CVE CVE-2021-0600 https://www.cve.org/CVERecord?id=CVE-2021-0600 Référence CVE CVE-2021-0601 https://www.cve.org/CVERecord?id=CVE-2021-0601 Référence CVE CVE-2021-0604 https://www.cve.org/CVERecord?id=CVE-2021-0604 Référence CVE CVE-2021-0640 https://www.cve.org/CVERecord?id=CVE-2021-0640 Référence CVE CVE-2021-0641 https://www.cve.org/CVERecord?id=CVE-2021-0641 Référence CVE CVE-2021-0642 https://www.cve.org/CVERecord?id=CVE-2021-0642 Référence CVE CVE-2021-0646 https://www.cve.org/CVERecord?id=CVE-2021-0646 Référence CVE CVE-2021-0650 https://www.cve.org/CVERecord?id=CVE-2021-0650 Référence CVE CVE-2021-0651 https://www.cve.org/CVERecord?id=CVE-2021-0651 Référence CVE CVE-2021-0652 https://www.cve.org/CVERecord?id=CVE-2021-0652 Référence CVE CVE-2021-0653 https://www.cve.org/CVERecord?id=CVE-2021-0653 Référence CVE CVE-2021-0682 https://www.cve.org/CVERecord?id=CVE-2021-0682 Référence CVE CVE-2021-0683 https://www.cve.org/CVERecord?id=CVE-2021-0683 Référence CVE CVE-2021-0684 https://www.cve.org/CVERecord?id=CVE-2021-0684 Référence CVE CVE-2021-0687 https://www.cve.org/CVERecord?id=CVE-2021-0687 Référence CVE CVE-2021-0688 https://www.cve.org/CVERecord?id=CVE-2021-0688 Ré

Official advisory
CERT-FR · French · CERTFR-2021-AVI-837Multiples vulnérabilités dans Google Android

elles permettent à un attaquant de provoquer une exécution de code arbitraire à distance, un déni de service et une atteinte à la confidentialité des données. Solution Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation). Documentation Bulletin de sécurité Google Android du 01 novembre 2021 https://source.android.com/security/bulletin/pixel/2021-11-01 Référence CVE CVE-2020-13871 https://www.cve.org/CVERecord?id=CVE-2020-13871 Référence CVE CVE-2021-0434 https://www.cve.org/CVERecord?id=CVE-2021-0434 Référence CVE CVE-2021-0649 https://www.cve.org/CVERecord?id=CVE-2021-0649 Référence CVE CVE-2021-0650 https://www.cve.org/CVERecord?id=CVE-2021-0650 Référence CVE CVE-2021-0653 https://www.cve.org/CVERecord?id=CVE-2021-0653 Référence CVE CVE-2021-0672 https://www.cve.org/CVERecord?id=CVE-2021-0672 Référence CVE CVE-2021-0799 https://www.cve.org/CVERecord?id=CVE-2021-0799 Référence CVE CVE-2021-0889 https://www.cve.org/CVERecord?id=CVE-2021-0889 Référence CVE CVE-2021-0918 https://www.cve.org/CVERecord?id=CVE-2021-0918 Référence CVE CVE-2021-0919 https://www.cve.org/CVERecord?id=CVE-2021-0919 Référence CVE CVE-2021-0920 https://www.cve.org/CVERecord?id=CVE-2021-0920 Référence CVE CVE-2021-0921 https://www.cve.org/CVERecord?id=CVE-2021-0921 Ré

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
SIMATIC RF160B (6GT2003-0FA00)
Fixed
No fixed version is explicitly recorded in the structured CVE data.
Action
Update to V2.2 or later version
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 15 Dec 2021 · Last source change 3 Aug 2024, 15:47 UTC · CWE-125 · Out-of-bounds Read

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-2021-3269
Product sourceVendor CSAF · Siemens ProductCERT
Remediation sourceVendor CSAF · Siemens ProductCERT
CWE sourceNIST NVD
NVD statusNVD modified after enrichment

Core structured fields are present and their contributing authorities are shown above.

Material change intelligence

What changed after publication

View recent updates →

No material field changes have been recorded since change tracking began. Routine source refreshes and cosmetic edits are intentionally excluded.

Material fields only · duplicate refreshes suppressed · history retained for the configured operational retention period
CVE published
ENISA EUVD · EUVD-2021-3269↗Vendor CSAF · Siemens ProductCERT↗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-2021-0650 · cve.blacktree.nl