5.3

CVE-2025-24391

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

Verknüpft mit AI von unstrukturierten Daten zu bestehenden CPE der NVD
This information is available to logged-in users.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
VendorOTRS AG
Product OTRS
Default Statusaffected
Version 7.0.x
Status affected
Version 8.0.x
Status affected
Version 2023.x
Status affected
Version 2024.x
Status affected
Version <= 2025.5.x
Version 2025.x
Status affected
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.04% 0.119
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
security@otrs.com 5.3 3.9 1.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE-203 Observable Discrepancy

The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.