OpenVPN Access Server up to 2.14.3 SAML Authentication RelayState cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.5$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in OpenVPN Access Server up to 2.14.3. This affects an unknown part of the component SAML Authentication Module. Such manipulation of the argument RelayState leads to cross site scripting. This vulnerability is traded as CVE-2025-50055. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in OpenVPN Access Server up to 2.14.3 and classified as problematic. Affected by this issue is an unknown function of the component SAML Authentication Module. The manipulation of the argument RelayState with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. CVE summarizes:

Cross-site scripting (XSS) vulnerability in the SAML Authentication module in OpenVPN Access Server version 2.14.0 through 2.14.3 allows configured remote SAML Assertion Consumer Service (ACS) endpoint servers to inject arbitrary web script or HTML via the RelayState parameter

The advisory is available at openvpn.net. This vulnerability is handled as CVE-2025-50055 since 06/11/2025. The exploitation is known to be easy. The attack may be launched remotely. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/11/2025 CVE reserved
10/27/2025 +138 days Advisory disclosed
10/27/2025 +0 days VulDB entry created
10/27/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: openvpn.net
Status: Not defined

CVE: CVE-2025-50055 (🔒)
GCVE (CVE): GCVE-0-2025-50055
GCVE (VulDB): GCVE-100-330134

Entryinfo

Created: 10/27/2025 15:08
Changes: 10/27/2025 15:08 (55)
Complete: 🔍
Cache ID: 216::103

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