CVE-2020-27656

LowCVSS 3.7/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 3.7/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-319

Affected software

Vendor	Product	Versions
Synology	DiskStation Manager (DSM)	>= unspecified, < 6.2.3-25426-2

References

https://www.synology.com/security/advisory/Synology_SA_20_18Vendor Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1071Exploit, Third Party Advisory
https://www.synology.com/security/advisory/Synology_SA_20_18Vendor Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1071Exploit, Third Party Advisory

Timeline

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

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