#VU107147 Information disclosure in mod_auth_openidc - CVE-2025-31492

Vulnerability identifier: #VU107147

Vulnerability risk: Medium

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-31492

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
mod_auth_openidc
Web applications / Modules and components for CMS

Vendor: ZmartZone IAM

Description

The vulnerability allows a remote user to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application. A remote authenticated user can send a specially crafted HTTP POST request and can gain unauthorized access to sensitive information.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

mod_auth_openidc: 2.0.0 - 2.4.16.10

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External links
https://github.com/OpenIDC/mod_auth_openidc/commit/b59b8ad63411857090ba1088e23fe414c690c127
https://github.com/OpenIDC/mod_auth_openidc/security/advisories/GHSA-59jp-rwph-878r

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.