What is CVE-2020-27656?

CVE-2020-27656 is a medium-severity vulnerability in Synology Diskstation Manager, classified under Cleartext Transmission of Sensitive Information. CVSS score: 6.5/10. Published 2020-10-29.

How severe is CVE-2020-27656?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Synology Diskstation Manager

CVE-2020-27656

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.

EPSS: 0.005 (42.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L.

Affected products

Synology Diskstation_manager
Synology Diskstation Manager (Dsm) — versions unspecified

Weakness classification (CWE)

CWE-319 — Cleartext Transmission of Sensitive Information

References

security@synology.com (x_refsource_CONFIRM, Vendor Advisory)
security@synology.com (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-27656?: CVE-2020-27656 is a medium-severity vulnerability in Synology Diskstation Manager, classified under Cleartext Transmission of Sensitive Information. CVSS score: 6.5/10. Published 2020-10-29.
How severe is CVE-2020-27656?: Medium severity. CVSS v3 base score is 6.5 out of 10.