xiaoyunjie openvpn-cms-flask File Upload controller.py upload path traversal

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2025-6776
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-06-27 20:15:35 UTC
Updated2026-04-29 01:00:01 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v4.0 5.5 MEDIUM from [email protected]

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Problem Types: CWE-22 | CWE-22 Path Traversal

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary5.5MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/C...
4.0CNADECLARED6.9MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
3.1[email protected]Primary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1[email protected]Secondary7.3HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
3.1CNADECLARED7.3HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
3.0CNADECLARED7.3HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
2.0[email protected]Secondary7.5AV:N/AC:L/Au:N/C:P/I:P/A:P
2.0CNADECLARED7.5AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Xiaoyunjie Openvpn-cms-flask All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Xiaoyunjie Openvpn-cms-flask affected 1.2.0 Not specified
CNA Xiaoyunjie Openvpn-cms-flask affected 1.2.1 Not specified
CNA Xiaoyunjie Openvpn-cms-flask affected 1.2.2 Not specified
CNA Xiaoyunjie Openvpn-cms-flask affected 1.2.3 Not specified
CNA Xiaoyunjie Openvpn-cms-flask affected 1.2.4 Not specified
CNA Xiaoyunjie Openvpn-cms-flask affected 1.2.5 Not specified
CNA Xiaoyunjie Openvpn-cms-flask affected 1.2.6 Not specified
CNA Xiaoyunjie Openvpn-cms-flask affected 1.2.7 Not specified
CNA Xiaoyunjie Openvpn-cms-flask unaffected 1.2.8 Not specified

References

ReferenceSourceLinkTags
vuldb.com [email protected] vuldb.com Permissions Required, VDB Entry
vuldb.com [email protected] vuldb.com Third Party Advisory, VDB Entry
github.com/xiaoyunjie/openvpn-cms-flask/commit/e23559b98c8ea2957f09978c2... [email protected] github.com Patch
github.com/xiaoyunjie/openvpn-cms-flask/issues/23 [email protected] github.com Exploit, Issue Tracking, Vendor Advisory
vuldb.com [email protected] vuldb.com Third Party Advisory, VDB Entry
github.com/xiaoyunjie/openvpn-cms-flask/releases/tag/v1.2.8 [email protected] github.com Release Notes
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Tritium (VulDB User) (en)

Additional Advisory Data

SourceTimeEvent
CNA2025-06-27T00:00:00.000ZAdvisory disclosed
CNA2025-06-27T02:00:00.000ZVulDB entry created
CNA2025-06-27T13:08:07.000ZVulDB entry last update

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