CVE-2022-20822 Cisco Identity Services Engine Unauthorized File Access Vulnerability

High 7.1 Published 26 Oct 2022 Updated 15 Oct 2024

Authenticated attackers can read or delete unauthorized files on Cisco ISE via crafted HTTP requests due to insufficient input validation.

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-2022-20822?

CVE-2022-20822 is a high-severity path traversal vulnerability in Cisco Identity Services Engine, published on 26 Oct 2022. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to read and delete files on an affected device. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted HTTP request that contains certain character sequences to an affected system. A successful exploit could allow the attacker to read or delete specific files on the device that their configured administrative level should not have access to. Cisco plans to release software updates that address this vulnerability.

Weakness: CWE-20, CWE-22

Which versions are affected by CVE-2022-20822?

It affects 1 product.

Products include Cisco Identity Services Engine.

How do I fix CVE-2022-20822?

No fix has been published for CVE-2022-20822 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2022-20822 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-20822 exists.

All Cisco Identity Services Engine vulnerabilities

Sources

Also known as GHSA-5fgq-hr27-pxc6.