OTRS up to 2025.5.x External Interface information exposure

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in OTRS up to 7.0.x/8.0.x/2023.x/2024.x/2025.5.x. Impacted is an unknown function of the component External Interface. The manipulation results in information exposure. This vulnerability is reported as CVE-2025-24391. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability classified as problematic has been found in OTRS up to 7.0.x/8.0.x/2023.x/2024.x/2025.5.x. Affected is some unknown functionality of the component External Interface. The manipulation with an unknown input leads to a information exposure vulnerability. CWE is classifying the issue as CWE-203. 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. This is going to have an impact on confidentiality. CVE summarizes:

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

The advisory is shared for download at otrs.com. This vulnerability is traded as CVE-2025-24391 since 01/21/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at EUVD (EUVD-2025-21322) and CERT Bund (WID-SEC-2025-1545). Once again VulDB remains the best source for vulnerability data.

Affected

  • OTRS OTRS

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector (OTRS): 🔒

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Information exposure
CWE: CWE-203 / CWE-200 / CWE-284
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

01/21/2025 CVE reserved
07/14/2025 +173 days Advisory disclosed
07/14/2025 +0 days VulDB entry created
07/14/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: otrs.com
Status: Confirmed

CVE: CVE-2025-24391 (🔒)
GCVE (CVE): GCVE-0-2025-24391
GCVE (VulDB): GCVE-100-316332
EUVD: 🔒
CERT Bund: WID-SEC-2025-1545 - OTRS: Schwachstelle ermöglicht Offenlegung von Informationen

Entryinfo

Created: 07/14/2025 11:12
Updated: 07/14/2025 20:29
Changes: 07/14/2025 11:12 (62), 07/14/2025 11:37 (1), 07/14/2025 13:55 (1), 07/14/2025 20:29 (7)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

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