CVE-2020-27653

PoC —

CVSS 3.1

8.3 high

EPSS

<1%p56

Published

Oct 29, 2020 (Oct 29, 2020)

Modified

Jun 17, 2026

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.

Vendors: synology
Products: router manager, diskstation manager
Weakness: CWE-327
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.8%)

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