Vulnerability · Published May 6, 2021 · Assigned by cisco

CVE-2021-1421Cisco Enterprise NFV Infrastructure Software Command Injection Vulnerability

High 7.8

In plain English

A high-severity OS command injection in Cisco Enterprise NFV Infrastructure Software from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities).

Severity (CVSS 3.1)7.8High

Exploit odds (30 days)0.7%top 48.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
Cisco	Cisco Enterprise NFV Infrastructure Software	n/a

Weakness: CWE-78 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

20210505 Cisco Enterprise NFV Infrastructure Software Command Injection Vulnerability vendor-advisory, x_refsource_CISCO