CVE-2025-6775

xiaoyunjie openvpn-cms-flask User Creation Endpoint openvpn.py create_user command injection

State: Published
Severity: 5.3 Medium
Published: Jun 27, 2025
Updated: Jun 27, 2025
Reserved: Jun 27, 2025

Description

A vulnerability classified as critical has been found in xiaoyunjie openvpn-cms-flask up to 1.2.7. This affects the function create_user of the file /app/api/v1/openvpn.py of the component User Creation Endpoint. The manipulation of the argument Username leads to command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 1.2.8 is able to address this issue. The patch is named e23559b98c8ea2957f09978c29f4e512ba789eb6. It is recommended to upgrade the affected component.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P	VulDB
3.1	6.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C	VulDB
3.0	6.3 Medium	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C	VulDB
2.0	6.5 Medium	AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C	VulDB

Weaknesses

CWE-77 Command Injection
CWE-74 Injection

Affected Products

Product	Versions
openvpn-cms-flaskxiaoyunjie	1.2.0Affected 1.2.1Affected 1.2.2Affected 1.2.3Affected 1.2.4Affected 1.2.5Affected 1.2.6Affected 1.2.7Affected 1.2.8Not affected

References

VDB-314091 | xiaoyunjie openvpn-cms-flask User Creation Endpoint openvpn.py create_user command injectionvdb-entrytechnical-description
VDB-314091 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
Submit #602373 | xiaoyunjie openvpn-cms-flask 1.2.7 Command Injectionthird-party-advisory
https://github.com/xiaoyunjie/openvpn-cms-flask/issues/24exploitissue-tracking
https://github.com/xiaoyunjie/openvpn-cms-flask/issues/24#issuecomment-2948563464issue-tracking
https://github.com/xiaoyunjie/openvpn-cms-flask/commit/e23559b98c8ea2957f09978c29f4e512ba789eb6patch
https://github.com/xiaoyunjie/openvpn-cms-flask/releases/tag/v1.2.8patch

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