CVE-2021-1421

HIGH

Cisco Enterprise NFV Infrastructure Software < 4.5.1 - Authenticated OS Command Injection via Configuration Command

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 7.8
EPSS 0.0010
EPSS Percentile 27.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-78
Status published
Products (1)
cisco/enterprise_nfv_infrastructure_software < 4.5.1
Published May 06, 2021
Tracked Since Feb 18, 2026