Advisory Details

September 18th, 2025

Avira Prime Link Following Local Privilege Escalation Vulnerability

ZDI-25-897
ZDI-CAN-22241

CVE ID CVE-2024-13759
CVSS SCORE 7.8, AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS Avira
AFFECTED PRODUCTS Prime
VULNERABILITY DETAILS

This vulnerability allows local attackers to escalate privileges on affected installations of Avira Prime. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The specific flaw exists within the Avira Spotlight Service. By creating a symbolic link, an attacker can abuse the service to delete a file. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.

ADDITIONAL DETAILS Avira has issued an update to correct this vulnerability. More details can be found at:
https://www.gendigital.com/us/en/contact-us/security-advisories/
DISCLOSURE TIMELINE
  • 2024-06-11 - Vulnerability reported to vendor
  • 2025-09-18 - Coordinated public release of advisory
  • 2025-09-18 - Advisory Updated
CREDIT Anonymous
BACK TO ADVISORIES