Home/CVE/Use after free vulnerability in file transfer protocol component in Synology DiskStation Manager (DSM) before 6.2.3-2542
CVE

CVE-2021-27649

Use after free vulnerability in file transfer protocol component in Synology DiskStation Manager (DSM) before 6.2.3-2542

Use after free vulnerability in file transfer protocol component in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote attackers to execute arbitrary code via unspecified vectors.

CRITICAL · CVSS 9.8 EPSS 0.01457
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-416Use After Free
▤

Affected Products & Versions

2
synology diskstation manager>= 6.2 and < 6.2.3-25426-3
synology diskstation manager unified controller< 3.1-23033
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · security@synology.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD23 Jun 2021 · 10:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.synology.com/security/advisory/Synology_SA_20_26Vendor Advisory
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