CVE-2019-6195 Auth bypass in XClarity Controller (XCC)
A lesser-privileged user can gain read-only access to higher-privileged information in Lenovo XClarity Controller under specific LDAP authentication configurations.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2019-6195?
CVE-2019-6195 is a medium-severity authentication bypass vulnerability in Lenovo XClarity Controller (XCC), published on 14 Feb 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official 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.
Which versions are affected by CVE-2019-6195?
It affects 1 product.
Products include Lenovo Xclarity Controller.
How do I fix CVE-2019-6195?
No fix has been published for CVE-2019-6195 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2019-6195 being exploited?
There is no known exploitation of CVE-2019-6195 in the wild and no public exploit code.
Other vulnerabilities in Lenovo XClarity Controller (XCC)
Sources
Also known as GHSA-xhgx-q9xg-fg3q.