title: IBM API Connect HOST header injection
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.
problem types: CWE-644 Improper Neutralization of HTTP Headers for Scripting Syntax
affected:
{
defaultStatus: unaffected
product: API Connect
vendor: IBM
versions:
lessThan: 10.0.5.0, status: affected, version: 10.0.0.0, versionType: semver
lessThan: 10.0.1.7, status: affected, version: 10.0.1.0, versionType: semver
lessThan: 2018.4.1.19, status: affected, version: 2018.4.1.0, versionType: semver
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 5.4
baseSeverity: MEDIUM
confidentialityImpact: LOW
integrityImpact: LOW
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
version: 3.1
]
format: CVSS
scenarios: GENERAL