5.3

CVE-2025-24391: otrs ag otrs Observable Discrepancy

CVSS: 5.3v3.1MediumDeferred
Published 14-07-2025Last modified 14-07-2025
Open JSON

Vulnerability summary

CVE-2025-24391 is a medium (CVSS 5.3) Observable Discrepancy vulnerability in otrs ag otrs. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 18.9% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.28%
0%100%
Low · +0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 14-07-2025
    PublishedVulnerability first disclosed.
  2. 14-07-2025
    Last modifiedVulnerability information updated.

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 metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.28%

Chance of exploitation in the next 30 days

Percentile

19%

Versus all other CVEs

30-day change

+0.04 pp

From 0.24% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.28%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Otrs ag1 product
  • otrs≥ 7.0.0, < 7.1.0 | ≥ 8.0.0, < 8.1.0 | ≥ 2023.0, < 2024.0 | ≥ 2024.0, < 2025.0 | ≥ 2025.x, ≤ 2025.5.x

1 vendor · 1 product

References

1 links