CVE-2021-38997

IBM API Connect HOST header injection

State: Published
Severity: 5.4 Medium
Published: Dec 1, 2022
Updated: Apr 23, 2025
Reserved: Aug 16, 2021

Description

IBM API Connect V10.0.0.0 through V10.0.5.0, V10.0.1.0 through V10.0.1.7, and V2018.4.1.0 through 2018.4.1.19 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking. IBM X-Force ID: 213212.

Scores

CVSS	Score	Vector	Source
3.1	5.4 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N	ibm

Weaknesses

CWE-644 Improper Neutralization of HTTP Headers for Scripting Syntax

Affected Products

Product	Versions
API ConnectIBM	10.0.0.0 to before 10.0.5.0Affected 10.0.1.0 to before 10.0.1.7Affected 2018.4.1.0 to before 2018.4.1.19Affected

References

https://www.ibm.com/support/pages/node/6842621vendor-advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/213212vdb-entry

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