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CVE-2025-20161 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

A vulnerability in the software upgrade process of Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches in standalone NX-OS mode could allow an authenticated, local attacker with valid Administrator credentials to execute a command injection attack on the underlying operating system of an affected device. This vulnerability is due to insufficient validation of specific elements within a software image. An attacker could exploit this vulnerability by installing a crafted image. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system with root privileges.  Note: Administrators should validate the hash of any software image before installation.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:6.7 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CNA: [email protected]CVSS-B:5.1 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-ici-dpOjbWxk	[email protected]	AdvisoryRemedyVendor

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-78	Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')	[email protected]

Affected Products

Product	Versions
Cisco Nexus 3000	All versions
CPE cpe:2.3:h:cisco:nexus_3000:::::::: cpe:2.3:h:cisco:nexus_3000_series:::::::: Remediation No remediation found in references.
Cisco Nexus 9000	All versions
CPE cpe:2.3:h:cisco:nexus_9000:::::::: cpe:2.3:h:cisco:nexus_9000_in_aci_mode:::::::: cpe:2.3:h:cisco:nexus_9000_in_standalone:::::::: cpe:2.3:h:cisco:nexus_9000_in_standalone_nx-os_mode:::::::: cpe:2.3:o:cisco:nexus_9000_firmware:::::::: Remediation No remediation found in references.

Change History

3 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Feb 26, 2025	New CVE Received	[email protected]