VULNERABILITY INTELLIGENCE

CVE-2020-27656

CVSS score6.5 MEDIUM

EPSS probability0.55%

CISA KEVNot currently listed

Published2020-10-29

Last modified2026-06-17

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

Description

Cleartext transmission of sensitive information vulnerability in DDNS in Synology DiskStation Manager (DSM) before 6.2.3-25426-2 allows man-in-the-middle attackers to eavesdrop authentication information of DNSExit via unspecified vectors.

Weakness classification

CWE-319: Cleartext Transmission of Sensitive Information

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