TI-2025-18133 Aliases CVE-2025-24391 GHSA-fhjw-qvv3-45m7

Possible user enumeration

LOW 30CWE-203Published 2025-07-14 · Updated 2025-07-14

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Information disclosure
Confidentiality · integrity · availability: Low · None · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-203.

Summary

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00278 20th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
OTRS AG	OTRS	7.0.x and later; 8.0.x and later; 2023.x and later; 2024.x and later; 2025.x – 2025.5.x	—	No fix listed	CNA

OTRS VendorOTRS AG Affected 7.0.x and later; 8.0.x and later; 2023.x and later; 2024.x and later; 2025.x – 2025.5.x Fixed in — No fix listed CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPE	Versions	Role	Vendor
cpe:2.3:a:otrs:otrs::::::::	—	—	OTRS AG

cpe:2.3:a:otrs:otrs:*:*:*:*:*:*:*:* Versions — — ·OTRS AG

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2025-24391
2026-10-03 Alias added: GHSA-fhjw-qvv3-45m7

References

Other 1

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

TI-2024-15787 Upload of files outside application directory CVSS 3.1MEDIUM 6.3
TI-2017-12458 In OTRS 6.0.x up to and including 6.0.1, OTRS 5.0.x up to and including 5.0.24, and OTRS… CVSS 3.0HIGH 8.8
TI-2026-35608 SQL Injection via MySQL Quote Method CVSS 3.1CRITICAL 9.1
TI-2023-04991 SSL Certificates are not checked for E-Mail Handling CVSS 3.1CRITICAL 9.1
TI-2016-05069 Multiple SQL injection vulnerabilities in the FAQ package 2.x before 2.3.6, 4.x before… CVSS 3.0CRITICAL 9.4
TI-2024-29090 Passwords are written to Admin Log Module CVSS 3.1HIGH 8.2

See all 169 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences