CVE-2019-11230 Path traversal in n/a
A local administrator can exploit a symlink vulnerability in Avast Antivirus to rename critical files, causing the application to fail on restart.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-11230?
CVE-2019-11230 is a medium-severity path traversal vulnerability in n/a, published on 18 Jul 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In Avast Antivirus before 19.4, a local administrator can trick the product into renaming arbitrary files by replacing the Logs\Update.log file with a symlink. The next time the product attempts to write to the log file, the target of the symlink is renamed. This defect can be exploited to rename a critical product file (e.g., AvastSvc.exe), causing the product to fail to start on the next system restart.
Weakness: CWE-59
Which versions are affected by CVE-2019-11230?
It affects 1 product.
Products include Avast Antivirus.
How do I fix CVE-2019-11230?
No fix has been published for CVE-2019-11230 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2019-11230 being exploited?
There is no known exploitation of CVE-2019-11230 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2025-13032 Race condition in (Free/Inernet Security/Ultimate) Antivirus
- CVE-2020-10867 Security feature bypass in n/a
- CVE-2017-8307 Missing authorization in n/a
- CVE-2025-3500 Integer Overflow in Avast Antiviurs 25.1.981.6 on Windows may result in privilege escalation
- CVE-2021-45335 Missing authorization in n/a
Sources
Also known as GHSA-32p2-rghv-w56x.