title: IBM API Connect security bypass
description: IBM API Connect 10.0.0.0 through 10.0.5.0, 10.0.1.0 through 10.0.1.7, and 2018.4.1.0 through 2018.4.1.20 is vulnerable to External Service Interaction attack, caused by improper validation of user-supplied input. A remote attacker could exploit this vulnerability to induce the application to perform server-side DNS lookups or HTTP requests to arbitrary domain names. By submitting suitable payloads, an attacker can cause the application server to attack other systems that it can interact with.  IBM X-Force ID:  230264.
problem types: CWE 435 Improper Interaction Between Multiple Correctly-Behaving Entities
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: 2018.4.1.20, status: affected, version: 2018.4.1.0, versionType: semver
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 5.3
baseSeverity: MEDIUM
confidentialityImpact: NONE
integrityImpact: LOW
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
version: 3.1
]
format: CVSS
scenarios: GENERAL