OTRS Community Edition up to 2025.x Admin Interface incomplete blacklist

Summaryinfo

A vulnerability described as critical has been identified in OTRS Community Edition 7.0.x/8.0.x/2023.x/2024.x/2025.x. The impacted element is an unknown function of the component Admin Interface. The manipulation results in incomplete blacklist. This vulnerability is known as CVE-2025-24388. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability classified as problematic has been found in OTRS Community Edition 7.0.x/8.0.x/2023.x/2024.x/2025.x. Affected is an unknown code block of the component Admin Interface. The manipulation with an unknown input leads to a incomplete blacklist vulnerability. CWE is classifying the issue as CWE-184. The product implements a protection mechanism that relies on a list of inputs (or properties of inputs) that are not allowed by policy or otherwise require other action to neutralize before additional processing takes place, but the list is incomplete, leading to resultant weaknesses. This is going to have an impact on integrity, and availability. CVE summarizes:

A vulnerability in the OTRS Admin Interface and Agent Interface (versions before OTRS 8) allow parameter injection due to for an autheniticated agent or admin user. This issue affects: * OTRS 7.0.X * OTRS 8.0.X * OTRS 2023.X * OTRS 2024.X * OTRS 2025.X * ((OTRS)) Community Edition: 6.0.x Products based on the ((OTRS)) Community Edition also very likely to be affected

The advisory is shared for download at otrs.com. This vulnerability is traded as CVE-2025-24388 since 01/21/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation requires an enhanced level of successful authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 06/16/2025). The MITRE ATT&CK project declares the attack technique as T1562.006.

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 vulnerability database at EUVD (EUVD-2025-18393). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Service Management Software

Vendor

• OTRS

Name

• Community Edition

Version

• 7.0.x
• 8.0.x
• 2023.x
• 2024.x
• 2025.x

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Once again VulDB remains the best source for vulnerability data.

Discussion