Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-26561

Stack-based buffer overflow vulnerability in synoagentregisterd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to execute arbitrary code via syno_finder_site HTTP header.

Published

2021-02-26T22:15:19.877

Last Modified

2025-01-14T19:29:55.853

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.0 (CRITICAL)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

8.6

Impact Score

6.4

Weaknesses
  • Type: Secondary
    CWE-121
  • Type: Primary
    CWE-119
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System synology diskstation_manager < 6.2.3-25426-3 Yes
Operating System synology vs960hd_firmware - Yes
Hardware synology vs960hd - No
Operating System synology skynas_firmware - Yes
Hardware synology skynas - No
Operating System synology diskstation_manager_unified_controller 3.0 Yes
Hardware synology uc3200 - No
References