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TI-2023-07918 Aliases CVE-2023-21517GHSA-j3q7-q94g-fmjj

Buffer overflow in Samsung Mobile Devices

Priority MEDIUM 52CWE-120Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

Heap out-of-bound write vulnerability in Exynos baseband prior to SMR Jun-2023 Release 1 allows remote attacker to execute arbitrary code.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01612 76th percentileScored 2026-11-07
Fix Fixed Samsung Mobile Devices (Samsung Mobile): SMR Jun-2023 Release 1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

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

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:h:samsung:exynos:-:*:*:*:*:*:*:*not specified by NVDVulnerableSamsung
  • cpe:2.3:h:samsung:exynos:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Samsung

Remediation

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

    3 records Highest priority Priority MEDIUM 1 MEDIUM, 2 LOW

    Other records, highest priority first

    • TI-2023-07914 Improper privilege management in Samsung Mobile DevicesPriority LOW 32
    • TI-2023-07913 Improper privilege management in Samsung Mobile DevicesPriority LOW 15
    Show all 3 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-21517
  2. 2026-10-03 Alias added: GHSA-j3q7-q94g-fmjj

References

Advisory 1

  • TI-2020-08722 An issue was discovered on Samsung mobile devices with any (before February 2020 for… CVSS 3.1CRITICAL 9.8
  • TI-2023-07868 Improper authentication in Samsung Mobile Devices CVSS 3.1CRITICAL 9.8
  • TI-2020-15314 An issue was discovered on Samsung mobile devices with software through 2020-04-02… CVSS 3.1CRITICAL 9.1

Sources

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