How severe is CVE-2021-1421?

This vulnerability has a severity rating of HIGH with a CVSS score of 7.8 out of 10.

What type of vulnerability is CVE-2021-1421?

This is classified as CWE-78, which is a common weakness in software security.

CVE-2021-1421 - HIGH Severity | CVSS 7.8

Vulnerability Description

A vulnerability in Cisco Enterprise NFV Infrastructure Software (NFVIS) could allow an authenticated, local attacker to perform a command injection attack on an affected device. The vulnerability is due to insufficient validation of user-supplied input to a configuration command. An attacker could exploit this vulnerability by including malicious input during the execution of this command. A successful exploit could allow a non-privileged attacker authenticated in the restricted CLI to execute arbitrary commands on the underlying operating system (OS) with root privileges.

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