CVE-2021-33183 Path traversal in Synology Docker
Local attackers can read or write arbitrary files via path traversal in Synology Docker's volume management component.
- 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-2021-33183?
CVE-2021-33183 is a high-severity path traversal vulnerability in Synology Docker, published on 1 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability container volume management component in Synology Docker before 18.09.0-0515 allows local users to read or write arbitrary files via unspecified vectors.
Weakness: CWE-22
Which versions are affected by CVE-2021-33183?
It affects 1 product.
Products include Synology Docker.
How do I fix CVE-2021-33183?
No fix has been published for CVE-2021-33183 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-2021-33183 being exploited?
There is no known exploitation of CVE-2021-33183 in the wild and no public exploit code.
Sources
Also known as GHSA-m65h-2c6x-9769.