CVE-2021-34748 Cisco Intersight Virtual Appliance Command Injection Vulnerability

High 8.8 Published 6 Oct 2021 Updated 7 Nov 2024

Authenticated attackers can execute arbitrary root-level commands on Cisco Intersight Virtual Appliance via the web interface.

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-2021-34748?

CVE-2021-34748 is a high-severity command injection vulnerability in Cisco Intersight Virtual Appliance, published on 6 Oct 2021. 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 Intersight Virtual Appliance could allow an authenticated, remote attacker to perform a command injection attack on an affected device. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by using the web-based management interface to execute a command using crafted input. A successful exploit could allow the attacker to execute arbitrary commands using root-level privileges on an affected device.

Weakness: CWE-78, CWE-77

Which versions are affected by CVE-2021-34748?

It affects 1 product.

Products include Cisco Intersight Virtual Appliance.

How do I fix CVE-2021-34748?

No fix has been published for CVE-2021-34748 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-2021-34748 being exploited?

There is no known exploitation of CVE-2021-34748 in the wild and no public exploit code.

Sources

Also known as GHSA-ffw3-9pwp-wmfg.