PT-2018-3548 · Cisco · Cisco Nx-Os+1

Published 2018-06-20 · Updated 2020-09-04 · CVE-2018-0306

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: Cisco NX-OS Software (affected versions not specified)

Description: A vulnerability in the CLI parser of Cisco NX-OS Software could allow an authenticated, local attacker to perform a command-injection attack on an affected device. The vulnerability is due to insufficient input validation of command arguments. An attacker could exploit this vulnerability by injecting malicious command arguments into a vulnerable CLI command. A successful exploit could allow the attacker to execute arbitrary commands with root privileges on the affected device. This vulnerability requires that any feature license is uploaded to the device, but it does not require that the license be used.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

OS Command Injection

RCE

Weakness Enumeration

CWE-78

CWE-20

Related Identifiers

BDU:2020-04142

CVE-2018-0306

Affected Products

Cisco Nx-Os

Cisco Nexus

References · 6

• https://bdu.fstec.ru/vul/2020-04142 · Security Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180620-nx-os-cli-execution · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-0306 · Security Note
• https://osv.dev/vulnerability/CVE-2018-0306 · Vendor Advisory
• https://securitytracker.com/id/1041169 · Note
• http://securitytracker.com/id/1041169 · Note