CVE-2025-21609

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

9.1 /10

CVSS v3 : CRITICAL

V3 Legend

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

14 May 2025, 14:39

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 9.1
CPE cpe:2.3:a:b3log:siyuan:3.1.18:-:*:*:*:*:*:*
First Time B3log siyuan
B3log
Summary
  • (es) SiYuan es un software de gestión de conocimiento personal de código abierto y alojado por el usuario. La versión 3.1.18 de SiYuan Note tiene una vulnerabilidad de eliminación de archivos arbitrarios. La vulnerabilidad existe en el endpoint `POST /api/history/getDocHistoryContent`. Un atacante puede crear un payload para explotar esta vulnerabilidad, lo que da como resultado la eliminación de archivos arbitrarios en el servidor. El commit d9887aeec1b27073bec66299a9a4181dc42969f3 corrige esta vulnerabilidad y se espera que esté disponible en la versión 3.1.19.
References () https://github.com/siyuan-note/siyuan/commit/d9887aeec1b27073bec66299a9a4181dc42969f3 - () https://github.com/siyuan-note/siyuan/commit/d9887aeec1b27073bec66299a9a4181dc42969f3 - Patch
References () https://github.com/siyuan-note/siyuan/security/advisories/GHSA-8fx8-pffw-w498 - () https://github.com/siyuan-note/siyuan/security/advisories/GHSA-8fx8-pffw-w498 - Exploit, Vendor Advisory

03 Jan 2025, 17:15

Type Values Removed Values Added
New CVE
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