CVE-2021-29091 Path traversal in Synology Photo Station

High 7.7 Published 2 Jun 2021 Updated 16 Sep 2024

Remote authenticated users can write arbitrary files via path traversal in Synology Photo Station, requiring an upgrade to mitigate.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-29091?

CVE-2021-29091 is a high-severity path traversal vulnerability in Synology Photo Station, published on 2 Jun 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in file management component in Synology Photo Station before 6.8.14-3500 allows remote authenticated users to write arbitrary files via unspecified vectors.

Weakness: CWE-22

Which versions are affected by CVE-2021-29091?

It affects 1 product.

Products include Synology Photo Station.

How do I fix CVE-2021-29091?

No fix has been published for CVE-2021-29091 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-2021-29091 being exploited?

There is no known exploitation of CVE-2021-29091 in the wild and no public exploit code.

Sources

Also known as GHSA-67j5-jjhw-3h9m.