CVE-2021-1392 Cisco IOS and IOS XE Software Common Industrial Protocol Privilege Escalation Vulnerability

High 7.8 Published 24 Mar 2021 Updated 8 Nov 2024

An authenticated local attacker can retrieve CIP passwords via a CLI command to gain administrative access and reconfigure the device.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-1392?

CVE-2021-1392 is a high-severity vulnerability in Cisco Ios, published on 24 Mar 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability in the CLI command permissions of Cisco IOS and Cisco IOS XE Software could allow an authenticated, local attacker to retrieve the password for Common Industrial Protocol (CIP) and then remotely configure the device as an administrative user. This vulnerability exists because incorrect permissions are associated with the show cip security CLI command. An attacker could exploit this vulnerability by issuing the command to retrieve the password for CIP on an affected device. A successful exploit could allow the attacker to reconfigure the device.

Weakness: CWE-522

Which versions are affected by CVE-2021-1392?

It affects 2 products.

Products include Cisco Ios, Cisco Ios Xe.

How do I fix CVE-2021-1392?

No fix has been published for CVE-2021-1392 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-1392 being exploited?

There is no known exploitation of CVE-2021-1392 in the wild and no public exploit code.

All Cisco Ios vulnerabilities

Sources

Also known as GHSA-xjw8-2g7c-qm56.