Vulnerability · Published Apr 19, 2023 · Assigned by NLOK
CVE-2023-1586
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 11% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.2%top 88.7% 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 restore process leading to arbitrary file creation. The issue was fixed with Avast and AVG Antivirus version 22.11
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| 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