CVE-2025-24391 | BDVDB-2026-286124 Detail

OTRSOTRS

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

Impact#

CAPEC-575 Account Footprinting

Weaknesses#

CWE-203 Observable Discrepancy

References#

https://otrs.com/release-notes/otrs-security-advisory-2025-07/

Exploit#

No public exploit known

History#

Version 12025-07-14Record published in the CVE List.

Published

Published: 2025-07-14
Last modified: 2025-07-14

Vendor information

Vendor: OTRS
Product: OTRS

All OTRS vulnerabilities

Score

5.3 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 20.3.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
7.0.x
Fixed
Not stated
Vulnerable
8.0.x
Fixed
Not stated
Vulnerable
2023.x
Fixed
Not stated
Vulnerable
2024.x
Fixed
Not stated
Vulnerable
>= 2025.x and <= 2025.5.x
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

5.3 Medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity	None
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).