CVE-2025-24391 — MEDIUM (5.3)

Vulnerability Description

A vulnerability in the External Interface of OTRS allows conclusions to be drawn about the existence of user accounts through different HTTP response codes and messages. This enables an attacker to systematically identify valid email addresses. This issue affects: * OTRS 7.0.X * OTRS 8.0.X * OTRS 2023.X * OTRS 2024.X * OTRS 2025.X

CVSS Score

5.3

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

NONE

Availability

NONE

Related Weaknesses (CWE)

CWE-203

References

https://otrs.com/release-notes/otrs-security-advisory-2025-07/

FAQ

What is CVE-2025-24391?

CVE-2025-24391 is a vulnerability with a CVSS score of 5.3 (MEDIUM). A vulnerability in the External Interface of OTRS allows conclusions to be drawn about the existence of user accounts through different HTTP response codes and messages. This enables an attacker to sy...

How severe is CVE-2025-24391?

CVE-2025-24391 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-24391?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.