CVE-2023-1586

low-risk

Published 2023-04-19

Avast and AVG Antivirus for Windows were susceptible to a Time-of-check/Time-of-use (TOCTOU) vulnerability in the restore process leading to arbitrary file creation. The issue was fixed with Avast and AVG Antivirus version 22.11

Do I need to act?

0.13% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 6.5/10 Medium

LOCAL / HIGH complexity

Affected Products (2)

Antivirus

Anti-Virus

Affected Vendors

Avg Avast

References (2)

Third Party Advisory https://support.norton.com/sp/static/external/tools/security-advisories.html

/ 100

low-risk

Severity 17/34 · Moderate

Exploitability 1/34 · Minimal

Exposure 7/34 · Low