CVE-2025-21034

MEDIUM
2025-09-03 [email protected]
4.0
CVSS 3.1
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CVSS Vector

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

Lifecycle Timeline

2
Analysis Generated
Mar 28, 2026 - 19:10 vuln.today
CVE Published
Sep 03, 2025 - 06:15 nvd
MEDIUM 4.0

Tags

Memory Corruption Buffer Overflow RCE Android

Description

Out-of-bounds write in libsavsvc.so prior to SMR Sep-2025 Release 1 allows local attackers to potentially execute arbitrary code.

Analysis

Out-of-bounds write in libsavsvc.so prior to SMR Sep-2025 Release 1 allows local attackers to potentially execute arbitrary code. Rated medium severity (CVSS 4.0), 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 libsavsvc.so prior to SMR Sep-2025 Release 1 allows local attackers to potentially execute arbitrary code. Affected products include: Samsung Android.

Affected Products

Samsung 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

20
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +20
POC: 0

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CVE-2025-21034 vulnerability details – vuln.today
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