Vulnerability · Published Apr 19, 2023 · Assigned by NLOK

CVE-2023-1585

Medium 6.5

In plain English

A medium-severity security flaw in Avast Antivirus from Avast. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.2%top 94.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Avast and AVG Antivirus for Windows were susceptible to a Time-of-check/Time-of-use (TOCTOU) vulnerability in the Quarantine process, leading to arbitrary file/directory deletion. The issue was fixed with Avast and AVG Antivirus version 22.11 and virus definitions from 14 February 2023 or later.

Affected products (as reported)

VendorProductVersions
Avast Avast Antivirus 22.5 – through 22.10
AVG AVG Antivirus 22.5 – through 22.10

Weakness: CWE-367 · Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L

References