Vulnerability in IBM I
CVE-2025-2950
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.
EPSS: 0.003 (21.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.
Affected products
- Ibm I — versions 7.3, 7.4, 7.5
Weakness classification (CWE)
References
- psirt@us.ibm.com (vendor-advisory, patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-2950?
- CVE-2025-2950 is a medium-severity vulnerability in IBM I, classified under Improper Neutralization of HTTP Headers for Scripting Syntax. CVSS score: 5.4/10. Published 2025-04-18.
- How severe is CVE-2025-2950?
- Medium severity. CVSS v3 base score is 5.4 out of 10.