CSIRTS // UNIFIED SECURITY ADVISORY FEEDSYS ● ONLINE · POWERED BY INTELFUSIONS.COM

CVE-2021-25369: Samsung Mobile Devices Improper Access Control Vulnerability

criticalknown exploitedCVE-2021-25369
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Samsung mobile devices using Mali GPU contains an improper access control vulnerability in sec_log file. Exploitation of the vulnerability exposes sensitive kernel information to the userspace. This vulnerability was chained with CVE-2021-25337 and CVE-2021-25370.

CSIRTS triage

What
Samsung mobile devices using Mali GPU contain an improper access control vulnerability exposing sensitive kernel information.
Who is affected
Users of Samsung mobile devices with Mali GPU.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Update to the latest firmware provided by Samsung.

AI-assisted analysis generated from the source advisory — verify against the original.

Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-11-08
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2021-25369

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2021-25369coverage & exploitation statusNVD · CVE.org

Recent advisories for Samsung Mobile Devices

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from CISA Known Exploited Vulnerabilities