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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00432.

Exploitation none

Automatable yes

Technical Impact partial

Affected Vendors & Products

Vendors Products
B3log
  • Siyuan

Configuration 1 [-]

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

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Advisories
Source ID Title
EUVD EUVD EUVD-2025-0017 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.
Github GHSA Github GHSA GHSA-8fx8-pffw-w498 SiYuan has an arbitrary file deletion vulnerability
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/siyuan-note/siyuan/commit/d9887aeec1b27073bec66299a9a4181dc42969f3 cve-icon cve-icon
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-8fx8-pffw-w498 cve-icon cve-icon
History

Wed, 14 May 2025 15:00:00 +0000

Type Values Removed Values Added
First Time appeared B3log
B3log siyuan
CPEs cpe:2.3:a:b3log:siyuan:3.1.18:-:*:*:*:*:*:*
Vendors & Products B3log
B3log siyuan
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H'}

Fri, 03 Jan 2025 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Fri, 03 Jan 2025 16:45:00 +0000

Type Values Removed Values Added
Description 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.
Title SiYuan has an arbitrary file deletion vulnerability
Weaknesses CWE-459
CWE-552
References
Metrics cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2025-01-03T17:14:23.915Z

Reserved: 2024-12-29T03:00:24.712Z

Link: CVE-2025-21609

cve-icon Vulnrichment

Updated: 2025-01-03T17:14:16.382Z

cve-icon NVD

Status : Analyzed

Published: 2025-01-03T17:15:09.147

Modified: 2025-05-14T14:39:30.277

Link: CVE-2025-21609

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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