Home/CVE/A vulnerability in the NX-API management application programming interface (API) in devices running, or based on, Cisco
CVE

CVE-2018-0330

A vulnerability in the NX-API management application programming interface (API) in devices running, or based on, Cisco

A vulnerability in the NX-API management application programming interface (API) in devices running, or based on, Cisco NX-OS Software could allow an authenticated, remote attacker to execute commands with elevated privileges. The vulnerability is due to a failure to properly validate certain parameters included within an NX-API request. An attacker that can successfully authenticate to the NX-API could submit a request designed to bypass NX-OS role assignment.

A successful exploit could allow the attacker to execute commands with elevated privileges. This vulnerability affects the following if configured to use the NX-API feature: MDS 9000 Series Multilayer Switches, Nexus 2000 Series Switches, Nexus 3000 Series Switches, Nexus 3500 Platform Switches, Nexus 5500 Platform Switches, Nexus 5600 Platform Switches, Nexus 6000 Series Switches, Nexus 7000 Series Switches, Nexus 7700 Series Switches, Nexus 9000 Series Switches in standalone NX-OS mode. Cisco Bug IDs: CSCvc73177, CSCve40903, CSCve40911.

HIGH · CVSS 8.8 EPSS 0.00313
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
▤

Affected Products & Versions

8
cisco nx-os>= 7.3 and < 7.3\(3\)n1\(1\)
cisco nx-osall versions
cisco nx-os>= 7.3 and < 7.3.2d1
cisco nx-os>= 8.1 and < 8.1.2
cisco nx-os< 7.0\(3\)i3
cisco nx-os>= 7.0\(3\)i4 and < 7.0\(3\)i7\(1\)
cisco nx-os>= 6.0 and < 7.3\(3\)n1\(1\)
cisco nx-os>= 8.1 and < 8.1\(1a\)
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.0 · psirt@cisco.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD20 Jun 2018 · 09:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
cisco-csafcisco-sa-20180620-nxos-nxapi
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securitytracker.com/id/1041169Third Party AdvisoryVDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180620-nxos-nxapiVendor Advisory
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