CVE-2020-27649

CriticalCVSS 9.0/10Last modified Jun 17, 2026

Description

Improper certificate validation vulnerability in OpenVPN client in Synology Router Manager (SRM) before 1.2.4-8081 allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.

Metrics

CVSS 3.1 9.0/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-295

Affected software

Vendor	Product	Versions
Synology	Synology Router Manager (SRM)	>= unspecified, < 1.2.4-8081

References

https://www.synology.com/security/advisory/Synology_SA_20_14Vendor Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1058Exploit, Third Party Advisory
https://www.synology.com/security/advisory/Synology_SA_20_14Vendor Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1058Exploit, Third Party Advisory

Timeline

Published: Oct 29, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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