Information Disclosure Vulnerability in OTRS by OTRS AG
CVE-2025-24391

5.3MEDIUM

Key Information:

Vendor

Otrs Ag

Status
Otrs
Vendor
CVE Published:
14 July 2025

What is CVE-2025-24391?

A significant information disclosure vulnerability exists in the OTRS system's External Interface. This flaw allows an attacker to glean the presence of user accounts by analyzing various HTTP response codes and messages. By exploiting this vulnerability, unauthorized users can systematically discover valid email addresses associated with accounts in affected versions of OTRS. This could lead to further security breaches, making it crucial for organizations using OTRS 7.0.X, 8.0.X, 2023.X, 2024.X, or 2025.X to apply necessary security updates and safeguard their user data.

Affected Version(s)

OTRS 7.0.x

OTRS 7.0.x

OTRS 8.0.x

References

https://otrs.com/release-notes/otrs-security-advisory-202...

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Special thanks to David Silva for reporting this vulnerability.
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CVE-2025-24391 : Information Disclosure Vulnerability in OTRS by OTRS AG