CVE-2025-24391
Medium
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
SeverityMedium
CVSS5.3
Exploit probability—
Product
OTRS
PublishedJul 14, 2025
First seenJul 14, 2025
Weakness typeCWE-203CWE-203
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| OTRS AG OTRS | 7.0.x, 8.0.x, 2023.x, 2024.x, 2025.x ≤ v ≤ 2025.5.x | — |
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