Vulnerability

CVE-2021-25369

Medium· 6.2KEVCVSS6.2EPSS0%

.rules3/5

Samsung Mobile Devices Improper Access Control Vulnerability

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.

Threat signal

72/100

High

Severity

medium

CVSS

6.2

EPSS

Active

KEV

CISA KEV — actively exploited

1292d overdue

AffectedSamsung — Mobile Devices

Added to KEV

2022-11-08

Federal patch due (BOD 22-01)

2022-11-29

Required action (CISA verbatim)

Apply updates per vendor instructions.

Vendor advisory + references

CISA description: “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.”

CVSS

v3.1Open in FIRST calculator →

6.2/ 10MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack VectorLocalRequires local access — shell, console, or local app.
Attack ComplexityLowNo special conditions — exploit works reliably.
Privileges RequiredNoneUnauthenticated — no credentials needed.
User InteractionNoneFully automated — no victim action needed.
ScopeUnchangedImpact contained to the vulnerable component.
Confidentiality ImpactHighTotal disclosure of sensitive data.
Integrity ImpactNoneNo integrity impact.
Availability ImpactNoneNo availability impact.

EPSS

Exploit prediction · 30-day horizonFIRST.org →

0.22%

probability of exploitation in next 30 days

p45

higher than 45% of all CVEs

3-day trend↑ 0pp

Low exploitation likelihood — defer if no other signals fire.

Vendor VEX

No VEX statements published for CVE-2021-25369. Vendors publish VEX (Vulnerability Exploitability eXchange) to assert per-product whether a CVE is actually exploitable in their distribution.

SSVCAttend

Active exploitation with limited impact — coordinate patching

exploitation: active
automatable: no
impact: partial
mission: support

Lifecycle

2022-11-08Added to CISA KEVransomware: Unknown
2022-11-08Published
2022-11-29Federal patch due (BOD 22-01)
2026-06-12Last modified1 source

No source-event history recorded yet. New revisions will appear here as ingestors re-fetch this CVE.