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A vulnerability in the software upgrade process of Cisco Nexus 3000 and 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. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-ici-dpOjbWxk The Cisco Product Security Incident Response Team (PSIRT) validates only the affected and fixed release information that is documented in this advisory.
Please refer to the Security Advisory.
Please refer to the Security Advisory.
Please refer to the Security Advisory.
The Cisco PSIRT has assigned this bug the following CVSS version 3 score. The Base CVSS score as of the time of evaluation is 5.1: https://sec.cloudapps.cisco.com/security/center/cvssCalculator.x?vector=CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:N CVE ID CVE-2025-20161 has been assigned to document this issue. Information about Fixed, Vulnerable, and Non-vulnerable releases--as well as information about fixed release availability--is not maintained by Cisco PSIRT. Please refer to the appropriate fields in this bug. If you require additional help to obtain this information, please open a support case with your support organization. Additional information on Cisco's security vulnerability policy can be found at the following URL: https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html
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