CVE-2017-12351 Security feature bypass in Cisco NX-OS
Authenticated local attackers with admin credentials can bypass guest shell isolation to read and send packets on internal network interfaces.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-12351?
CVE-2017-12351 is a medium-severity vulnerability in Cisco Nx-Os, published on 30 Nov 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability in the guest shell feature of Cisco NX-OS System Software could allow an authenticated, local attacker to read and send packets outside the scope of the guest shell container. An attacker would need valid administrator credentials to perform this attack. The vulnerability is due to insufficient internal security measures in the guest shell feature. An attacker could exploit this vulnerability by sending or receiving packets on the device-internal network outside of the guest shell container, aka "Unauthorized Internal Interface Access." This vulnerability affects the following products running Cisco NX-OS System Software: Nexus 3000 Series Switches, Nexus 9000 Series Switches in standalone NX-OS mode, Nexus 9500 R-Series Line Cards and Fabric Modules. Cisco Bug IDs: CSCvf33038.
Which versions are affected by CVE-2017-12351?
It affects 1 product.
Products include Cisco Nx-Os.
How do I fix CVE-2017-12351?
No fix has been published for CVE-2017-12351 yet. Limit exposure of the affected software until one is available.
Is CVE-2017-12351 being exploited?
There is no known exploitation of CVE-2017-12351 in the wild and no public exploit code.
Other vulnerabilities in Cisco Nx-Os
Sources
Also known as GHSA-p85m-8mw3-j4v4.