VULNERABILITY INTELLIGENCE

CVE-2021-45339

CVSS score7.8 HIGH
EPSS probability0.33%
CISA KEVNot currently listed
Published2021-12-27
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

Privilege escalation vulnerability in Avast Antivirus prior to 20.4 allows a local user to gain elevated privileges by "hollowing" trusted process which could lead to the bypassing of Avast self-defense.

Weakness classification

  • nvd@nist.gov: CWE-863

Primary references