CVE-2025-6775: openvpn-cms-flask Injection

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.

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CVSS v3.1 Score

6.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Weakness Type (CWE)

CWE-74 CWE-74

CWE-77 CWE-77

Affected Products

Vendor	Product	Versions
xiaoyunjie	openvpn-cms-flask	< 1.2.8

References

Advisories & Patches

https://github.com/xiaoyunjie/openvpn-cms-flask/commit/e23559b98c8ea2957f09978c29f4e512ba789eb6 https://github.com/xiaoyunjie/openvpn-cms-flask/issues/24 https://github.com/xiaoyunjie/openvpn-cms-flask/issues/24#issuecomment-2948563464

Exploits

https://github.com/xiaoyunjie/openvpn-cms-flask/issues/24 https://github.com/xiaoyunjie/openvpn-cms-flask/issues/24#issuecomment-2948563464

Other References

https://github.com/xiaoyunjie/openvpn-cms-flask/releases/tag/v1.2.8 https://vuldb.com/?ctiid.314091 https://vuldb.com/?id.314091 https://vuldb.com/?submit.602373

Frequently Asked Questions

What is CVE-2025-6775? +

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. It has a CVSS v3.1 base score of 6.3 (MEDIUM).

How severe is CVE-2025-6775? +

CVE-2025-6775 has a CVSS v3.1 score of 6.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-6775? +

CVE-2025-6775 affects products from xiaoyunjie, specifically: openvpn-cms-flask. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-6775? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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