What’s Vulnerable › Vulnerabilities

CVE-2021-25518

• Severity: medium (CVSS 6.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-12-08 · updated 2026-06-17
• Weakness: CWE-119

Description

An improper boundary check in secure_log of LDFW and BL31 prior to SMR Dec-2021 Release 1 allows arbitrary memory write and code execution.

Affected products

• Android: 9.0, 10.0, 11.0

References

• https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=12
• https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=12

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