CVE-2020-3329 Missing authorization in Cisco UCS Director

Medium 4.3 Published Updated

A read-only attacker can disable user accounts, including administrators, due to incorrect role-based access control implementation in Cisco UCS Director.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2020-3329?

CVE-2020-3329 is a medium-severity missing authorization vulnerability in Cisco UCS Director, published on 6 May 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability in role-based access control of Cisco Integrated Management Controller (IMC) Supervisor, Cisco UCS Director, and Cisco UCS Director Express for Big Data could allow a read-only authenticated, remote attacker to disable user accounts on an affected system. The vulnerability is due to incorrect allocation of the enable/disable action button under the role-based access control code on an affected system. An attacker could exploit this vulnerability by authenticating as a read-only user and then updating the roles of other users to disable them. A successful exploit could allow the attacker to disable users, including administrative users.

Weakness: CWE-284

Which versions are affected by CVE-2020-3329?

It affects 3 products.

Products include Cisco Integrated Management Controller Supervisor, Cisco Ucs Director, Cisco Ucs Director Express for Big Data.

How do I fix CVE-2020-3329?

No fix has been published for CVE-2020-3329 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2020-3329 being exploited?

There is no known exploitation of CVE-2020-3329 in the wild and no public exploit code.

Sources

Also known as GHSA-r92q-j6h7-wh5j.

Is CVE-2020-3329 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free