RCE in Cisco Nx-Os Software

CVE-2019-1781

A vulnerability in the CLI of Cisco FXOS Software and Cisco NX-OS Software could allow an authenticated, local attacker to execute arbitrary commands on the underlying operating system of an affected device. This vulnerability is due to insufficient validation of arguments passed to certain CLI commands. An attacker could exploit this vulnerability by including malicious input as the argument of an affected command. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system with elevated privileges. An attacker would need administrator credentials to exploit this vulnerability.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.005 (37.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-1781?
CVE-2019-1781 is a medium-severity vulnerability in Cisco Nx-Os Software, classified under Command Injection. CVSS score: 6.7/10. Published 2019-05-15.
How severe is CVE-2019-1781?
Medium severity. CVSS v3 base score is 6.7 out of 10.