CVEvulnerability
CVE-2021-26561
8.1 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-02-26
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.0 CRITICAL — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
- CVSS 3.1 ([email protected])
- 8.1 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-119, CWE-121
Description
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.
Affected configurations
• synology diskstation manager (< 6.2.3-25426-3)
• synology vs960hd firmware
• synology skynas firmware
• synology diskstation manager unified controller 3.0
Related
References
- https://www.synology.com/security/advisory/Synology_SA_20_26 Vendor Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1159 Exploit, Third Party Advisory
- https://www.synology.com/security/advisory/Synology_SA_20_26 Vendor Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1159 Exploit, Third Party Advisory