CVE-2021-1454 Cisco IOS XE SD-WAN Software Parameter Injection Vulnerabilities

Medium 6.0 Published 24 Mar 2021 Updated 8 Nov 2024

Authenticated local attackers can inject commands into the CLI to gain root privileges on Cisco IOS XE SD-WAN devices.

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-2021-1454?

CVE-2021-1454 is a medium-severity command injection vulnerability in Cisco Ios Xe, 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

Multiple vulnerabilities in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to access the underlying operating system with root privileges. These vulnerabilities are due to insufficient input validation of certain CLI commands. An attacker could exploit these vulnerabilities by authenticating to the device and submitting crafted input to the CLI. The attacker must be authenticated as an administrative user to execute the affected commands. A successful exploit could allow the attacker to access the underlying operating system with root privileges.

Weakness: CWE-88, CWE-20

Which versions are affected by CVE-2021-1454?

It affects 2 products.

Products include Cisco Ios Xe, Cisco Ios Xe Sd-Wan.

How do I fix CVE-2021-1454?

No fix has been published for CVE-2021-1454 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2021-1454 being exploited?

There is no known exploitation of CVE-2021-1454 in the wild and no public exploit code.

All Cisco Ios Xe vulnerabilities

Sources

Also known as GHSA-j47p-2qwf-vg8r.