cvedb.io
CVE-2021-45338
HIGH · CVSS 7.8
EPSS exploitation probability: 0%
Published 2021-12-27T14:15:08.170 · Last modified 2026-06-17T04:13:17.227

Summary

Multiple privilege escalation vulnerabilities in Avast Antivirus prior to 20.4 allow a local user to gain elevated privileges by calling unnecessarily powerful internal methods of the main antivirus service which could lead to the (1) arbitrary file delete, (2) write and (3) reset security.

Affected products

avast — antivirus

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References

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