What’s Vulnerable › Vulnerabilities

CVE-2023-21494

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-05-04 · updated 2026-06-17
• Weakness: CWE-20

Description

Potential buffer overflow vulnerability in auth api in mm_Authentication.c in Shannon baseband prior to SMR May-2023 Release 1 allows remote attackers to cause invalid memory access.

Affected products

• Samsung Android: 13.0, 13.0-smr-apr-2023-r1, 13.0-smr-dec-2022-r1, 13.0-smr-feb-2023-r1, 13.0-smr-jan-2023-r1, 13.0-smr-mar-2023-r1 (+2)

References

• https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=05
• https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=05

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