IBM i 7.3/7.4/7.5/7.6 domain/IP address http headers for scripting syntax

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability was found in IBM i 7.3/7.4/7.5/7.6. It has been classified as critical. Affected is an unknown function. Performing a manipulation of the argument domain/IP address results in improper neutralization of http headers for scripting syntax. This vulnerability is reported as CVE-2025-2950. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical has been found in IBM i 7.3/7.4/7.5/7.6. This affects an unknown code block. The manipulation of the argument domain/IP address with an unknown input leads to a improper neutralization of http headers for scripting syntax vulnerability. CWE is classifying the issue as CWE-644. The product does not neutralize or incorrectly neutralizes web scripting syntax in HTTP headers that can be used by web browser components that can process raw headers, such as Flash. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

IBM i 7.3, 7.4, 7.5, and 7.5 is vulnerable to a host header injection attack caused by improper neutralization of HTTP header content by IBM Navigator for i. An authenticated user can manipulate the host header in HTTP requests to change domain/IP address which may lead to unexpected behavior.

It is possible to read the advisory at ibm.com. This vulnerability is uniquely identified as CVE-2025-2950 since 03/29/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/28/2025).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-11872). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.4
CNA Vector (ibm): 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper neutralization of http headers for scripting syntax
CWE: CWE-644
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/29/2025 🔍
04/18/2025 +19 days 🔍
04/18/2025 +0 days 🔍
08/28/2025 +132 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: ibm.com
Status: Confirmed

CVE: CVE-2025-2950 (🔍)
GCVE (CVE): GCVE-0-2025-2950
GCVE (VulDB): GCVE-100-305667
EUVD: 🔍

Entryinfo

Created: 04/18/2025 19:29
Updated: 08/28/2025 20:40
Changes: 04/18/2025 19:29 (63), 07/04/2025 01:42 (1), 08/28/2025 20:40 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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