PT-2019-2295 · Cisco · Cisco Nx-Os+1

Published 2019-05-15 · Updated 2020-10-09 · CVE-2019-1726

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 of Cisco NX-OS Software could allow an authenticated, local attacker to access internal services that should be restricted on an affected device, such as the NX-API. The vulnerability is due to insufficient validation of arguments passed to a certain CLI command. An attacker could exploit this vulnerability by including malicious input as the argument to the affected command. A successful exploit could allow the attacker to bypass intended restrictions and access internal services of the device. An attacker would need valid device credentials to exploit this vulnerability.

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:2019-02066

CVE-2019-1726

Affected Products

Cisco Nx-Os

Cisco Nexus

References · 6

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-cli-bypass · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-1726 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-1726 · Security Note
• https://bdu.fstec.ru/vul/2019-02066 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2019-1733 · Security Note
• http://securityfocus.com/bid/108409 · Note