SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2021-25369

Samsung Mobile Devices Improper Access Control Vulnerability

KEVMEDIUM 5.5EPSS 1.12%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 29 November 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

An improper access control vulnerability in sec_log file prior to SMR MAR-2021 Release 1 exposes sensitive kernel information to userspace.

CVSS 3.1
5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS
1.12% probability · 64th percentile
CISA KEV
Listed 8 November 2022 · due 29 November 2022
Weakness
CWE-200
Affected
samsung/android
Source
mobile.security@samsung.com

CISA notes

Apply updates per vendor instructions. https://security.samsungmobile.com/securityUpdate.smsb; https://nvd.nist.gov/vuln/detail/CVE-2021-25369

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.