Lenovo XClarity Controller (XCC) Vulnerability - Lenovo Support US

Lenovo Security Advisory: LEN-29116

Potential Impact: Privilege escalation

Severity: Medium

Scope of Impact: Lenovo-specific

CVE Identifier: CVE-2019-6195

Summary Description:

An authorization bypass exists in Lenovo XClarity Controller (XCC) 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.

Mitigation Strategy for Customers (what you should do to protect yourself):

Update to Lenovo XClarity Controller (XCC) version 3.01 or higher as recommended in the Product Impact section below.