CVE-2018-0195 Missing authorization in Cisco IOS XE

High 8.8 Published 28 Mar 2018 Updated 2 Dec 2024

Authenticated attackers can bypass REST API authorization checks to perform privileged actions on Cisco IOS XE devices.

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-2018-0195?

CVE-2018-0195 is a high-severity missing authorization vulnerability in Cisco Ios Xe, published on 28 Mar 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability in the Cisco IOS XE Software REST API could allow an authenticated, remote attacker to bypass API authorization checks and use the API to perform privileged actions on an affected device. The vulnerability is due to insufficient authorization checks for requests that are sent to the REST API of the affected software. An attacker could exploit this vulnerability by sending a malicious request to an affected device via the REST API. A successful exploit could allow the attacker to selectively bypass authorization checks for the REST API of the affected software and use the API to perform privileged actions on an affected device. Cisco Bug IDs: CSCuz56428.

Weakness: CWE-287

Which versions are affected by CVE-2018-0195?

It affects 1 product.

Products include Cisco Ios Xe.

How do I fix CVE-2018-0195?

No fix has been published for CVE-2018-0195 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-2018-0195 being exploited?

There is no known exploitation of CVE-2018-0195 in the wild and no public exploit code.

All Cisco Ios Xe vulnerabilities

Sources

Also known as GHSA-pqrm-m74p-4cj9.