What’s Vulnerable › Vulnerabilities

CVE-2023-21504

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% 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 mm_Plmncoordination.c in Shannon baseband prior to SMR May-2023 Release 1 allows remote attackers to cause invalid memory access.

Affected products

• Samsung Android: 11.0, 11.0-smr-apr-2021-r1, 11.0-smr-apr-2022-r1, 11.0-smr-aug-2021-r1, 11.0-smr-aug-2022-r1, 11.0-smr-dec-2020-r1 (+44)

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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