CVE-2025-20743

MEDIUM
2025-11-04 [email protected]
4.2
CVSS 3.1
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CVSS Vector

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

Lifecycle Timeline

2
Analysis Generated
Mar 28, 2026 - 19:20 vuln.today
CVE Published
Nov 04, 2025 - 07:15 nvd
MEDIUM 4.2

Tags

Memory Corruption Denial Of Service Use After Free Privilege Escalation Android Google

Description

In clkdbg, there is a possible escalation of privilege due to use after free. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10136671; Issue ID: MSV-4651.

Analysis

In clkdbg, there is a possible escalation of privilege due to use after free. Rated medium severity (CVSS 4.2), this vulnerability is low attack complexity. No vendor patch available.

Technical Context

This vulnerability is classified as Use After Free (CWE-416), which allows attackers to access freed memory to execute arbitrary code or crash the application. In clkdbg, there is a possible escalation of privilege due to use after free. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10136671; Issue ID: MSV-4651. Affected products include: Google Android.

Affected Products

Google Android.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use smart pointers or garbage-collected languages. Set pointers to NULL after freeing. Enable memory sanitizers.

Priority Score

21
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +21
POC: 0

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CVE-2025-20743 vulnerability details – vuln.today
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