description: An authorization bypass exists in Lenovo XClarity Controller (XCC) versions prior to 3.08 CDI340V, 3.01 TEI392O, 1.71 PSI328N where a valid authenticated user with lesser privileges may be granted read-only access to higher-privileged information if 1) “LDAP Authentication Only with Local Authorization” mode is configured and used by XCC, and 2) a lesser privileged user logs into XCC within 1 minute of a higher privileged user logging out. The authorization bypass does not exist when “Local Authentication and Authorization” or “LDAP Authentication and Authorization” modes are configured and used by XCC.
problem types: CWE-264 Permissions, Privileges, and Access Controls
affected:
{
product: XClarity Controller (XCC)
vendor: Lenovo
versions:
lessThan: 3.08 CDI340V, status: affected, version: unspecified, versionType: custom
lessThan: 3.01 TEI392O, status: affected, version: unspecified, versionType: custom
lessThan: 1.71 PSI328N, status: affected, version: unspecified, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: HIGH
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 4.8
baseSeverity: MEDIUM
confidentialityImpact: HIGH
integrityImpact: NONE
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N
version: 3.1
]
solutions: Update to Lenovo XClarity Controller (XCC) version 3.08 CDI340V, 3.01 TEI392O, 1.71 PSI328N or higher.