What is CVE-2025-24391?

CVE-2025-24391 is a medium-severity vulnerability in Otrs Ag, classified under Observable Discrepancy. CVSS score: 5.3/10. Published 2025-07-14.

How severe is CVE-2025-24391?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Otrs Ag

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

EPSS: 0.002 (14.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Otrs Ag — versions 7.0.x, 8.0.x, 2023.x

Weakness classification (CWE)

CWE-203 — Observable Discrepancy

References

security@otrs.com

Frequently asked questions

What is CVE-2025-24391?: CVE-2025-24391 is a medium-severity vulnerability in Otrs Ag, classified under Observable Discrepancy. CVSS score: 5.3/10. Published 2025-07-14.
How severe is CVE-2025-24391?: Medium severity. CVSS v3 base score is 5.3 out of 10.