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CVE-2025-2950— IBM i improper HTTP header neutralization

Quick assessment

Affected
IBM i
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

IBM i是美国国际商业机器（IBM）公司的一套运行在IBM Power Systems和IBM PureSystems中的操作系统。 IBM i存在安全漏洞，该漏洞源于HTTP头内容中和不当，可能导致主机头注入攻击。以下版本受到影响： 7.3版本、7.4版本和7.5版本。

CVSS 5.4 · Medium EPSS 0.31% · P22
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I. Basic Information for CVE-2025-2950

Vulnerability Information
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Vulnerability Title
IBM i improper HTTP header neutralization
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对HTTP头部进行脚本语法转义处理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
IBM i 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM i是美国国际商业机器（IBM）公司的一套运行在IBM Power Systems和IBM PureSystems中的操作系统。 IBM i存在安全漏洞，该漏洞源于HTTP头内容中和不当，可能导致主机头注入攻击。以下版本受到影响： 7.3版本、7.4版本和7.5版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
IBM i 7.3 cpe:2.3:a:ibm:i:7.3:*:*:*:*:*:*:*

II. Public POCs for CVE-2025-2950

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III. Intelligence Information for CVE-2025-2950

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Vendor Advisories for CVE-2025-2950 (1)

Same Patch Batch · IBM · 2025-04-18 · 3 CVEs total

CVE-2024-45651 6.3 MEDIUM IBM Sterling Connect:Direct Web Services session fixation
CVE-2024-49808 6.3 MEDIUM IBM Sterling Connect:Direct Web Services improper authorization

IV. Related Vulnerabilities

Same product: i
Same vendor: IBM
Same weakness: CWE-644

V. Comments for CVE-2025-2950

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