What is CVE-2021-1421?

CVE-2021-1421 is a high-severity vulnerability in Cisco Enterprise Nfv Infrastructure Software, classified under OS Command Injection. CVSS score: 7.8/10. Published 2021-05-06.

How severe is CVE-2021-1421?

High severity. CVSS v3 base score is 7.8 out of 10.

RCE in Cisco Enterprise Nfv Infrastructure Software

CVE-2021-1421

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.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.007 (49.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Cisco Enterprise Nfv Infrastructure Software — versions n/a
Cisco Enterprise_nfv_infrastructure_software

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2021-1421?: CVE-2021-1421 is a high-severity vulnerability in Cisco Enterprise Nfv Infrastructure Software, classified under OS Command Injection. CVSS score: 7.8/10. Published 2021-05-06.
How severe is CVE-2021-1421?: High severity. CVSS v3 base score is 7.8 out of 10.