CVE-2020-27656 — MEDIUM (6.5)

Q: How severe is CVE-2020-27656?

CVE-2020-27656 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2020-27656?

Check the references section above for vendor advisories and patch information. Affected products include: Synology Diskstation Manager.

Vulnerability 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.

CVSS Score

6.5

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

LOW

Affected Products

Vendor	Product	Versions
Synology	Diskstation Manager	>= 6.2, < 6.2.3-25426-2

Related Weaknesses (CWE)

CWE-319

References

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

FAQ

What is CVE-2020-27656?

CVE-2020-27656 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 informat...

How severe is CVE-2020-27656?

CVE-2020-27656 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-27656?

Check the references section above for vendor advisories and patch information. Affected products include: Synology Diskstation Manager.