How severe is CVE-2025-6775?

CVE-2025-6775 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-6775 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-6775?

CVE-2025-6775 affects Xiaoyunjie Openvpn-cms-flask. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-6775?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-6775 have an EU (EUVD) identifier?

Yes. CVE-2025-6775 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19425.

When was CVE-2025-6775 published?

CVE-2025-6775 was published on 2025-06-27 and last updated on 2026-06-17.

CVE-2025-6775

CVE-2025-6775 is a medium-severity vulnerability in Xiaoyunjie Openvpn-cms-flask with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-77.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 2.1
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-19425
Weakness: CWE-77
Affected product: Xiaoyunjie Openvpn-cms-flask
Published: 2025-06-27
Last modified: 2026-06-17

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.

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.
How severe is CVE-2025-6775?: CVE-2025-6775 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-6775 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-6775?: CVE-2025-6775 affects Xiaoyunjie Openvpn-cms-flask. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-6775?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-6775 have an EU (EUVD) identifier?: Yes. CVE-2025-6775 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19425.
When was CVE-2025-6775 published?: CVE-2025-6775 was published on 2025-06-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:xiaoyunjie:openvpn-cms-flask:*:*:*:*:*:*:*:*

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