CVE-2021-45338

High

Description

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.

SeverityHigh
CVSS7.8
Exploit probability—
ProductAvast Antivirus
PublishedDec 27, 2021
First seenDec 27, 2021

How to fix

Update
  • avast antivirus20.4 or later

Affected products

ProductAffected versionsFixed in
avast antivirusv < 20.420.4

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