CVE-2020-13657 Privilege escalation in n/a
Local attackers can exploit improper hard link handling in Avast or AVG Antivirus to take control of arbitrary files and escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-13657?
CVE-2020-13657 is a medium-severity vulnerability in n/a, published on 29 Jun 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An elevation of privilege vulnerability exists in Avast Free Antivirus and AVG AntiVirus Free before 20.4 due to improperly handling hard links. The vulnerability allows local users to take control of arbitrary files.
Which versions are affected by CVE-2020-13657?
It affects 2 products.
Products include Avast Avg Antivirus, Avast Free Antivirus.
How do I fix CVE-2020-13657?
No fix has been published for CVE-2020-13657 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-13657 being exploited?
There is no known exploitation of CVE-2020-13657 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-p9cq-92f2-wgq6.