CVE-2021-26564 HIGH

CVE-2021-26564

Vendor Synology
Product Synology DiskStation Manager (DSM)
Weakness CWE-319 · Cleartext transmission
Published February 26, 2021
Last update September 17, 2024

CVSS base score

8.3/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

February 26, 2021 CVE published
September 17, 2024 Record updated