CVE-2018-0211 Denial of service in Cisco Identity Services Engine

Medium 4.4 Published 8 Mar 2018 Updated 2 Dec 2024

An authenticated local attacker with administrative privileges can cause a denial of service via crafted CLI commands in Cisco Identity Services Engine.

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-2018-0211?

CVE-2018-0211 is a medium-severity denial of service vulnerability in Cisco Identity Services Engine, published on 8 Mar 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability in specific CLI commands for the Cisco Identity Services Engine could allow an authenticated, local attacker to cause a denial of service (DoS) condition. The device may need to be manually rebooted to recover. The vulnerability is due to lack of proper input validation of the CLI user input for certain CLI commands. An attacker could exploit this vulnerability by authenticating to the device and issuing a crafted, malicious CLI command on the targeted device. A successful exploit could allow the attacker to cause a DoS condition. The attacker must have valid administrative privileges on the device to exploit this vulnerability. Cisco Bug IDs: CSCvf63414, CSCvh51992.

Weakness: CWE-20

Which versions are affected by CVE-2018-0211?

It affects 1 product.

Products include Cisco Identity Services Engine.

How do I fix CVE-2018-0211?

No fix has been published for CVE-2018-0211 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2018-0211 being exploited?

There is no known exploitation of CVE-2018-0211 in the wild and no public exploit code.

All Cisco Identity Services Engine vulnerabilities

Sources

Also known as GHSA-f978-vh2v-fvj4.