cvedb.io
CVE-2021-45337
HIGH · CVSS 8.8
EPSS exploitation probability: 0%
Published 2021-12-27T14:15:07.993 · Last modified 2026-06-17T04:13:17.103

Summary

Privilege escalation vulnerability in the Self-Defense driver of Avast Antivirus prior to 20.8 allows a local user with SYSTEM privileges to gain elevated privileges by "hollowing" process wsc_proxy.exe which could lead to acquire antimalware (AM-PPL) protection.

Affected products

avast — antivirus

Does this affect you?

Add your gear to cvedb and we'll alert you only when avast ships something exploited.

Check my exposure →

References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.