CVE-2025-21609

SiYuan is self-hosted, open source personal knowledge management software. SiYuan Note version 3.1.18 has an arbitrary file deletion vulnerability. The vulnerability exists in the `POST /api/history/getDocHistoryContent` endpoint. An attacker can craft a payload to exploit this vulnerability, resulting in the deletion of arbitrary files on the server. Commit d9887aeec1b27073bec66299a9a4181dc42969f3 fixes this vulnerability and is expected to be available in version 3.1.19.

CVSS v3 9.1 CRITICAL

9.1^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/siyuan-note/siyuan/commit/d9887aeec1b27073bec66299a9a4181dc42969f3	Patch
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-8fx8-pffw-w498	Exploit Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:b3log:siyuan:3.1.18:-:*:*:*:*:*:*

History

No history.

Information

Published : 2025-01-03 17:15

Updated : 2025-05-14 14:39

NVD link : CVE-2025-21609

Mitre link : CVE-2025-21609

CVE.ORG link : CVE-2025-21609

JSON object : View

Products Affected

b3log

siyuan

CWE

CWE-459

Incomplete Cleanup

CWE-552

Files or Directories Accessible to External Parties

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