{"id":"CVE-2025-20161","aliases":["EUVD-2025-5296","GHSA-wc27-6x2h-q38w"],"status":"published","title":"Cisco NX-OS Software Command Injection Vulnerability","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.\r\n\r\nThis 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.\u0026nbsp;\r\nNote: Administrators should validate the hash of any software image before installation.","severity":{"version":"3.1","score":5.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00497,"percentile":0.42903,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-78"],"published":"2025-02-26T16:12:03Z","modified":"2026-06-17T08:40:49Z","products":[{"vendor":"cisco","product":"cisco nx-os software"}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-ici-dpOjbWxk"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-20161"},{"url":"https://github.com/advisories/GHSA-wc27-6x2h-q38w"}],"sources":{"cve":[{"id":"CVE-2025-20161","title":"Cisco NX-OS Software Command Injection Vulnerability","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.\r\n\r\nThis 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.\u0026nbsp;\r\nNote: Administrators should validate the hash of any software image before installation.","status":"published","published":"2025-02-26T16:12:03.165Z","modified":"2025-02-27T15:18:00.247Z","cvss":[{"version":"3.1","score":5.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:32:25.5658Z"}],"euvd":[{"id":"EUVD-2025-5296","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.\r\n\r\nThis 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.\u0026nbsp;\r\nNote: Administrators should validate the hash of any software image before installation.","status":"published","published":"2025-02-26T16:12:03Z","modified":"2025-02-27T15:18:00Z","cvss":[{"version":"3.1","score":5.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T20:53:22.427611Z"}],"ghsa":[{"id":"GHSA-wc27-6x2h-q38w","title":"A vulnerability in the software upgrade process of Cisco Nexus 3000 Series Switches and Cisco...","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.\n\nThis 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.\u0026nbsp;\nNote: Administrators should validate the hash of any software image before installation.","status":"published","published":"2025-02-26T18:30:39Z","modified":"2025-02-26T18:30:45Z","cvss":[{"version":"3.1","score":5.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:N","level":"medium"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T15:00:03.228993Z"}],"nvd":[{"id":"CVE-2025-20161","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.\r\n\r\nThis 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.\u0026nbsp;\r\nNote: Administrators should validate the hash of any software image before installation.","status":"published","published":"2025-02-26T17:15:23.053Z","modified":"2026-06-17T08:40:49.507Z","cvss":[{"version":"3.1","score":5.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:10:51.871789Z"}]}}