title: IBM i Access Client Solutions information disclosure
description: IBM i Access Client Solutions (ACS) 1.1.2 through 1.1.4 and 1.1.4.3 through 1.1.9.4 is vulnerable to NT LAN Manager (NTLM) hash disclosure by an attacker modifying UNC capable paths within ACS configuration files to point to a hostile server. If NTLM is enabled, the Windows operating system will try to authenticate using the current user's session. The hostile server could capture the NTLM hash information to obtain the user's credentials.  IBM X-Force ID:  279091.
problem types: CWE-384 Session Fixation
affected:
{
defaultStatus: unaffected
product: i Access Client Solutions
vendor: IBM
versions:
lessThanOrEqual: 1.1.4, status: affected, version: 1.1.2, versionType: semver
lessThanOrEqual: 1.1.9.4, status: affected, version: 1.1.4.3, versionType: semver
}
metrics:
cvssV3_1: [
attackComplexity: HIGH
attackVector: LOCAL
availabilityImpact: NONE
baseScore: 5.1
baseSeverity: MEDIUM
confidentialityImpact: HIGH
integrityImpact: NONE
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
version: 3.1
]
format: CVSS
scenarios: GENERAL