CVE-2022-4173 Avast and AVG Antivirus for Windows vulnerable to Privilege Escalation
An attacker with filesystem write access can escalate privileges via the malware removal functionality in Avast and AVG Antivirus for Windows.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2022-4173?
CVE-2022-4173 is a high-severity vulnerability in NortonLifeLock Avast and AVG Antivirus, published on 5 Dec 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
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.
Weakness: CWE-269
Which versions are affected by CVE-2022-4173?
It affects 2 products.
Products include Avast Avast, Avast Avg Antivirus.
How do I fix CVE-2022-4173?
No fix has been published for CVE-2022-4173 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-4173 being exploited?
There is no known exploitation of CVE-2022-4173 in the wild and no public exploit code.
Other vulnerabilities in NortonLifeLock Avast and AVG Antivirus
Sources
Also known as GHSA-33r9-qfg8-468w.