ZDI-CAN-25549: ZDI-25-696: Avast Cleanup Premium TuneupSvc Link Following Local Privilege Escalation Vulnerability

Published Jul 29, 2025
·
Updated

This vulnerability allows local attackers to escalate privileges on affected installations of Avast Cleanup Premium. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2024-13961.

Affected Software

1 affected component
Avast Cleanup Premium

Event History

Jul 29, 2025
Advisory Published
via ZDI·05:00 AM
Data Sourced
via ZDI·05:00 AM
Description
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Frequently Asked Questions

1

What is the severity of ZDI-CAN-25549?

ZDI-CAN-25549 has been rated as a moderate severity vulnerability allowing privilege escalation.

2

How do I fix ZDI-CAN-25549?

To fix ZDI-CAN-25549, you should update Avast Cleanup Premium to the latest version provided by the vendor.

3

Who is affected by ZDI-CAN-25549?

Users of Avast Cleanup Premium installations are affected by the ZDI-CAN-25549 vulnerability.

4

What type of vulnerability is ZDI-CAN-25549?

ZDI-CAN-25549 is a privilege escalation vulnerability that can be exploited by local attackers.

5

Does ZDI-CAN-25549 require user interaction to be exploited?

Yes, ZDI-CAN-25549 requires that the attacker first execute low-privileged code on the target system.

Contact

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