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TI-2023-21431 Aliases CVE-2023-40638GHSA-wgj7-7mcr-r6qg

Missing authorization in Google T760/T770/T820/S8000

Priority LOW 19CWE-862Published · Updated

Key facts

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

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

Summary

In Telecom service, there is a possible missing permission check. This could lead to local denial of service with System execution privileges needed

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00087 0th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
GoogleT760/T770/T820/S8000Android11—No fix listedCNA
  • T760/T770/T820/S8000 VendorGoogle Affected Android11 Fixed in — No fix listed CNA

CPE configurations NVD · 5

CPEVersionsRoleVendor
cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*11.0VulnerableGoogle
cpe:2.3:h:unisoc:s8000:-:*:*:*:*:*:*:*not specified by NVDRunning onUnisoc
cpe:2.3:h:unisoc:t760:-:*:*:*:*:*:*:*not specified by NVDRunning onUnisoc
cpe:2.3:h:unisoc:t770:-:*:*:*:*:*:*:*not specified by NVDRunning onUnisoc
cpe:2.3:h:unisoc:t820:-:*:*:*:*:*:*:*not specified by NVDRunning onUnisoc
  • cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Google
  • cpe:2.3:h:unisoc:s8000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Unisoc
  • cpe:2.3:h:unisoc:t760:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Unisoc
  • cpe:2.3:h:unisoc:t770:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Unisoc
  • cpe:2.3:h:unisoc:t820:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Unisoc

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-40638
  2. 2026-10-03 Alias added: GHSA-wgj7-7mcr-r6qg

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