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CVE-2025-6776

Xiaoyunjie Openvpn-cms-flask path traversal

7.3 HIGHPublic exploitEPSS 0.73%
  1. Published27 Jun 2025

Description

A vulnerability classified as critical was found in xiaoyunjie openvpn-cms-flask up to 1.2.7. This vulnerability affects the function Upload of the file app/plugins/oss/app/controller.py of the component File Upload. The manipulation of the argument image leads to path traversal. The attack can be initiated 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 name of the patch is e23559b98c8ea2957f09978c29f4e512ba789eb6. It is recommended to upgrade the affected component.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityLow
IntegrityLow
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Affected products

Xiaoyunjie Openvpn-cms-flask< 1.2.8

Frequently asked

Is CVE-2025-6776 being actively exploited?

CVE-2025-6776 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.73%.

How severe is CVE-2025-6776?

CVE-2025-6776 has a CVSS 3.1 base score of 7.3, rated high. EPSS estimates a 0.73% probability of exploitation.

Which products are affected by CVE-2025-6776?

Affected products include Xiaoyunjie Openvpn-cms-flask.

How do I fix CVE-2025-6776?

Upgrade affected software to a fixed version, for example Xiaoyunjie Openvpn-cms-flask 1.2.8 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-6776 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.