VULNERABILITY INTELLIGENCE

CVE-2020-27648

CVSS score8.3 HIGH

EPSS probability0.72%

CISA KEVNot currently listed

Published2020-10-29

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

Description

Improper certificate validation vulnerability in OpenVPN client in Synology DiskStation Manager (DSM) before 6.2.3-25426-2 allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.

Weakness classification

security@synology.com: CWE-295
nvd@nist.gov: CWE-295

Primary references

security@synology.com — Vendor Advisory
security@synology.com — Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory