HIGH · 8.3

CVE-2021-26564

Cleartext transmission of sensitive information vulnerability in synorelayd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to spoof servers via an HTTP s...

Vulnerability Description

Cleartext transmission of sensitive information vulnerability in synorelayd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to spoof servers via an HTTP session.

CVSS Score

8.3

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
SynologyDiskstation Manager< 6.2.3-25426-3
SynologyVs960Hd Firmware-
SynologyVs960Hd-
SynologySkynas Firmware-
SynologySkynas-
SynologyDiskstation Manager Unified Controller3.0
SynologyUc3200-

Related Weaknesses (CWE)

References

FAQ

What is CVE-2021-26564?

CVE-2021-26564 is a vulnerability with a CVSS score of 8.3 (HIGH). Cleartext transmission of sensitive information vulnerability in synorelayd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to spoof servers via an HTTP s...

How severe is CVE-2021-26564?

CVE-2021-26564 has been rated HIGH with a CVSS base score of 8.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-26564?

Check the references section above for vendor advisories and patch information. Affected products include: Synology Diskstation Manager, Synology Vs960Hd Firmware, Synology Vs960Hd, Synology Skynas Firmware, Synology Skynas.