Vulnerability · Published Dec 5, 2022 · Assigned by NLOK
CVE-2022-4173Avast and AVG Antivirus for Windows vulnerable to Privilege Escalation
High 7.3
In plain English
A high-severity privilege mismanagement in Avast and AVG Antivirus from NortonLifeLock. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities).
Severity (CVSS 3.1)7.3High
Exploit odds (30 days)0.7%top 45.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A vulnerability within the malware removal functionality of Avast and AVG Antivirus allowed an attacker with write access to the filesystem, to escalate his privileges in certain scenarios. The issue was fixed with Avast and AVG Antivirus version 22.10.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| NortonLifeLock | Avast and AVG Antivirus | 20.5 – through 22.9 |
Weakness: CWE-269 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H