CVE-2020-3454 Cisco NX-OS Software Call Home Command Injection Vulnerability
Authenticated remote attackers can inject arbitrary commands with root privileges via Call Home HTTP configuration parameters in Cisco NX-OS.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-3454?
CVE-2020-3454 is a high-severity command injection vulnerability in Cisco Nx-Os, published on 27 Aug 2020. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A vulnerability in the Call Home feature of Cisco NX-OS Software could allow an authenticated, remote attacker to inject arbitrary commands that could be executed with root privileges on the underlying operating system (OS). The vulnerability is due to insufficient input validation of specific Call Home configuration parameters when the software is configured for transport method HTTP. An attacker could exploit this vulnerability by modifying parameters within the Call Home configuration on an affected device. A successful exploit could allow the attacker to execute arbitrary commands with root privileges on the underlying OS.
Which versions are affected by CVE-2020-3454?
It affects 1 product.
Products include Cisco Nx-Os.
How do I fix CVE-2020-3454?
No fix has been published for CVE-2020-3454 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-2020-3454 being exploited?
There is no known exploitation of CVE-2020-3454 in the wild and no public exploit code.
Other vulnerabilities in Cisco Nx-Os
Sources
Also known as GHSA-m2wj-fv5g-v2xg.