CVE-2022-27620

Severity: medium (CVSS 4.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-08-03 · updated 2026-06-17
Weakness: CWE-22

Description

Improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in webapi component in Synology SSO Server before 2.2.3-0331 allows remote authenticated users to read arbitrary files via unspecified vectors.

Affected products

Synology SSO Server: before 2.2.3-0331 — fixed in 2.2.3-0331

How to fix

Upgrade to a fixed version: Synology SSO Server 2.2.3-0331. Check the vendor advisory for mitigations.

References

https://www.synology.com/security/advisory/Synology_SA_22_13
https://www.synology.com/security/advisory/Synology_SA_22_13

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