CVE-2021-1584 Cisco Nexus 9000 Series Fabric Switches ACI Mode Privilege Escalation Vulnerability
An authenticated local attacker can execute arbitrary commands as root via command injection in Cisco Nexus ACI mode switches.
- 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-2021-1584?
CVE-2021-1584 is a medium-severity command injection vulnerability in Cisco Nx-Os, published on 25 Aug 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability in Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure (ACI) mode could allow an authenticated, local attacker to elevate privileges on an affected device. This vulnerability is due to insufficient restrictions during the execution of a specific CLI command. An attacker with administrative privileges could exploit this vulnerability by performing a command injection attack on the vulnerable command. A successful exploit could allow the attacker to access the underlying operating system as root.
Weakness: CWE-78
Which versions are affected by CVE-2021-1584?
It affects 1 product.
Products include Cisco Nx-Os.
How do I fix CVE-2021-1584?
No fix has been published for CVE-2021-1584 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-2021-1584 being exploited?
There is no known exploitation of CVE-2021-1584 in the wild and no public exploit code.
Other vulnerabilities in Cisco Nx-Os
Sources
Also known as GHSA-82j7-7f93-vq2v.