RCE in Cisco Nx-Os Software
CVE-2019-1769
A vulnerability in the CLI of Cisco NX-OS Software could allow an authenticated, local attacker with administrator credentials to execute arbitrary commands on the underlying Linux operating system of an attached line card with the privilege level of root. The vulnerability is due to insufficient validation of arguments passed to a specific CLI command on the affected device. 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 Linux operating system of an attached line card with elevated privileges. An attacker would need valid administrator credentials to exploit this vulnerability.
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.005 (38.6th 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
- psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)
- psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, Broken Link, x_refsource_BID)
Frequently asked questions
- What is CVE-2019-1769?
- CVE-2019-1769 is a medium-severity vulnerability in Cisco Nx-Os Software, classified under OS Command Injection. CVSS score: 6.7/10. Published 2019-05-15.
- How severe is CVE-2019-1769?
- Medium severity. CVSS v3 base score is 6.7 out of 10.