VULNERABILITY INTELLIGENCE

CVE-2020-27653

CVSS score8.3 HIGH

EPSS probability0.83%

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

Algorithm downgrade vulnerability in QuickConnect in Synology Router Manager (SRM) before 1.2.4-8081 allows man-in-the-middle attackers to spoof servers and obtain sensitive information via unspecified vectors.

Weakness classification

security@synology.com: CWE-327
nvd@nist.gov: CWE-327

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