CVE-2013-7221 | GNOME gnome-shell up to 3.9.1 Screen Lock access control
A vulnerability, which was classified as problematic, was found in GNOME gnome-shell up to 3.9.1. The affected element is an unknown function of the component Screen Lock. Executing a manipulation can lead to improper access controls.
This vulnerability is handled as CVE-2013-7221. It is possible to launch the attack on the local host. There is not any exploit available.
It is best practice to apply a patch to resolve this issue.