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TI-2023-07856 Aliases CVE-2023-21455GHSA-wxhm-9fww-9xcx

Improper authentication in Samsung Mobile Devices

Priority LOW 39CWE-287Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-287.

Summary

Improper authorization implementation in Exynos baseband prior to SMR Mar-2023 Release 1 allows incorrect handling of unencrypted message.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00403 34th percentileScored 2026-11-07
Fix Fixed Samsung Mobile Devices (Samsung Mobile): SMR Mar-2023 Release 1

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
SamsungSamsung Mobile DevicesSelect devices using Exynos CP chipsets to before SMR Mar-2023 Release 1SMR Mar-2023 Release 1Patch availableCNA
  • Samsung Mobile Devices VendorSamsung Affected Select devices using Exynos CP chipsets to before SMR Mar-2023 Release 1 Fixed in SMR Mar-2023 Release 1 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:samsung:exynos_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableSamsung
cpe:2.3:h:samsung:exynos:-:*:*:*:*:*:*:*not specified by NVDRunning onSamsung
  • cpe:2.3:o:samsung:exynos_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Samsung
  • cpe:2.3:h:samsung:exynos:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Samsung

Remediation

  • Fix · CNA Samsung Mobile Devices (Samsung Mobile) Fixed in SMR Mar-2023 Release 1

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Samsung Mobile Devices SMR Mar-2023 Release 1

    11 records Highest priority Priority MEDIUM 2 MEDIUM, 9 LOW

    Other records, highest priority first

    • TI-2023-07860 Use after free in Samsung Mobile DevicesPriority MEDIUM 42
    • TI-2023-07857 Path traversal in Samsung Mobile DevicesPriority MEDIUM 40
    • TI-2023-07858 Improper access control in Samsung Mobile DevicesPriority LOW 34
    Show all 11 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-21455
  2. 2026-10-03 Alias added: GHSA-wxhm-9fww-9xcx

References

Advisory 1

  • TI-2022-18875 Improper input validation in Samsung Mobile Devices CVSS 3.1CRITICAL 9.1
  • TI-2022-18896 Improper authorization in Samsung Mobile Devices CVSS 3.1HIGH 7.5
  • TI-2022-18895 Improper authentication in Samsung Mobile Devices CVSS 3.1MEDIUM 6.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences