CVE-2024-13962 - CVE House

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Status published High CVE-2024-13962

Link Following Local Privilege Escalation Vulnerability in Avast Cleanup Premium Version 24.2.16593.17810

7.8 CVSS

Vulnerability Description

Link Following Local Privilege Escalation Vulnerability in TuneupSvc in Gen Digital Inc. Avast Cleanup Premium Version 24.2.16593.17810 on Windows 10 Pro x64 allows local attackers to escalate privileges and execute arbitrary code in the context of SYSTEM via creating a symbolic link and leveraging a TOCTTOU (time-of-check to time-of-use) attack.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Vladislav Berghici of Trend Micro
Zero Day Initiative

References

https://www.gendigital.com/us/en/contact-us/security-advisories/

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Affected Vendor

Avast

View all reports →

Affected Software

CleanUp Premium

Vulnerable Versions:

24.2.16593.17810, 24.3.17165.19178

Timeline

Official Publish: May 9th, 2025

Last Modified: May 9th, 2025

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1574 Hijack Execution Flow

Privilege Escalation

T1222 File and Directory Permissions Modification

Defense Evasion

T1005 Data from Local System

T1565 Data Manipulation

T1078 Valid Accounts