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TI-2021-00431 Aliases CVE-2021-0513GHSA-9ff8-2r38-gpff

Missing authorization in Android

Priority LOW 33CWE-862Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-862.

Summary

In deleteNotificationChannel and related functions of NotificationManagerService.java, there is a possible permission bypass due to improper state validation. This could lead to local escalation of privilege via hidden services with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11 Android-8.1Android ID: A-156090809

Why it matters now

EPSS 0.00199 9th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—AndroidAndroid-9 Android-10 Android-11 Android-8.1—No fix listedCNA
  • Android Vendor— Affected Android-9 Android-10 Android-11 Android-8.1 Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:o:google:android:8.1:*:*:*:*:*:*:*8.1VulnerableGoogle
cpe:2.3:o:google:android:9.0:*:*:*:*:*:*:*9.0VulnerableGoogle
cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:*10.0VulnerableGoogle
cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*11.0VulnerableGoogle
  • cpe:2.3:o:google:android:8.1:*:*:*:*:*:*:* Versions 8.1 Vulnerable ·Google
  • cpe:2.3:o:google:android:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Google
  • cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Google
  • cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Google

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-0513
  2. 2026-10-03 Alias added: GHSA-9ff8-2r38-gpff

References

  • TI-2026-42236 Improper authorization in Google Android KEVCVSS 3.1HIGH 8.8
  • TI-2025-30821 Use after free in Google Android KEVCVSS 3.1HIGH 8.8
  • TI-2023-17777 Improper privilege management in Google Android KEVCVSS 3.1HIGH 8.8
  • TI-2025-30872 Integer overflow in Google Android KEVCVSS 3.1HIGH 8.4
  • TI-2024-21766 there is a possible way to bypass due to a logic error in the code. KEVCVSS 3.1HIGH 8.1
  • TI-2025-30849 Missing authentication in Google Android KEVCVSS 3.1HIGH 7.8
See all 8410 →

Sources