CVE-2021-29091

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-06-02 · updated 2026-06-17
Weakness: CWE-22

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.

Affected products

Synology Photo Station: from 6.8 before 6.8.14-3500 — fixed in 6.8.14-3500

How to fix

Upgrade to a fixed version: Synology Photo Station 6.8.14-3500. Check the vendor advisory for mitigations.

References

https://www.synology.com/security/advisory/Synology_SA_20_20
https://www.synology.com/security/advisory/Synology_SA_20_20

Get alerted when CVE-2021-29091 or the next vulnerability affects your stack