CVE-2025-20979

HIGH
2025-05-07 [email protected]
8.4
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 28, 2026 - 18:40 vuln.today
CVE Published
May 07, 2025 - 09:15 nvd
HIGH 8.4

Tags

Memory Corruption Buffer Overflow RCE Google Android

Description

Out-of-bounds write in libsavscmn prior to Android 15 allows local attackers to execute arbitrary code.

Analysis

Out-of-bounds write in libsavscmn prior to Android 15 allows local attackers to execute arbitrary code. Rated high severity (CVSS 8.4), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical Context

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. Out-of-bounds write in libsavscmn prior to Android 15 allows local attackers to execute arbitrary code. Affected products include: Google Android.

Affected Products

Google Android.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).

Priority Score

42
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +42
POC: 0

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CVE-2025-20979 vulnerability details – vuln.today
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