{"id":"CVE-2026-20160","aliases":["EUVD-2026-17956","GHSA-wmm4-pvrx-wvv8"],"status":"published","title":"Cisco Smart Software Manager On-Prem Arbitrary Command Execution Vulnerability","description":"A vulnerability in Cisco Smart Software Manager On-Prem (SSM On-Prem) could allow an unauthenticated, remote attacker to execute arbitrary commands on the underlying operating system of an affected SSM On-Prem host.\r\n\r\nThis vulnerability is due to the unintentional exposure of an\u0026nbsp;internal service. An attacker could exploit this vulnerability by sending a crafted request to the API of the exposed service. A successful exploit could allow the attacker to execute commands on the underlying operating system with root-level privileges.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.0093,"percentile":0.60846,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-668"],"published":"2026-04-01T16:29:22Z","modified":"2026-10-26T22:10:00Z","products":[{"vendor":"cisco","product":"cisco smart software manager on-prem"},{"vendor":"cisco","product":"smart_software_manager_on-prem"}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ssm-cli-execution-cHUcWuNr","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20160"},{"url":"https://github.com/advisories/GHSA-wmm4-pvrx-wvv8"}],"sources":{"cve":[{"id":"CVE-2026-20160","title":"Cisco Smart Software Manager On-Prem Arbitrary Command Execution Vulnerability","description":"A vulnerability in Cisco Smart Software Manager On-Prem (SSM On-Prem) could allow an unauthenticated, remote attacker to execute arbitrary commands on the underlying operating system of an affected SSM On-Prem host.\r\n\r\nThis vulnerability is due to the unintentional exposure of an\u0026nbsp;internal service. An attacker could exploit this vulnerability by sending a crafted request to the API of the exposed service. A successful exploit could allow the attacker to execute commands on the underlying operating system with root-level privileges.","status":"published","published":"2026-04-01T16:29:22.741Z","modified":"2026-04-02T03:56:10.746Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-668"],"updated_at":"2026-11-02T13:35:44.571002Z"}],"euvd":[{"id":"EUVD-2026-17956","description":"A vulnerability in Cisco Smart Software Manager On-Prem (SSM On-Prem) could allow an unauthenticated, remote attacker to execute arbitrary commands on the underlying operating system of an affected SSM On-Prem host.\r\n\r\nThis vulnerability is due to the unintentional exposure of an\u0026nbsp;internal service. An attacker could exploit this vulnerability by sending a crafted request to the API of the exposed service. A successful exploit could allow the attacker to execute commands on the underlying operating system with root-level privileges.","status":"published","published":"2026-04-01T16:29:22Z","modified":"2026-04-02T03:56:10Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T19:25:23.620594Z"}],"ghsa":[{"id":"GHSA-wmm4-pvrx-wvv8","title":"A vulnerability in Cisco Smart Software Manager On-Prem (SSM On-Prem) could allow an...","description":"A vulnerability in Cisco Smart Software Manager On-Prem (SSM On-Prem) could allow an unauthenticated, remote attacker to execute arbitrary commands on the underlying operating system of an affected SSM On-Prem host.\n\nThis vulnerability is due to the unintentional exposure of an\u0026nbsp;internal service. An attacker could exploit this vulnerability by sending a crafted request to the API of the exposed service. A successful exploit could allow the attacker to execute commands on the underlying operating system with root-level privileges.","status":"published","published":"2026-04-01T18:36:38Z","modified":"2026-04-01T18:37:00Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-668"],"updated_at":"2026-11-02T15:07:04.310482Z"}],"nvd":[{"id":"CVE-2026-20160","description":"A vulnerability in Cisco Smart Software Manager On-Prem (SSM On-Prem) could allow an unauthenticated, remote attacker to execute arbitrary commands on the underlying operating system of an affected SSM On-Prem host.\r\n\r\nThis vulnerability is due to the unintentional exposure of an\u0026nbsp;internal service. An attacker could exploit this vulnerability by sending a crafted request to the API of the exposed service. A successful exploit could allow the attacker to execute commands on the underlying operating system with root-level privileges.","status":"published","published":"2026-04-01T17:28:31.76Z","modified":"2026-10-26T22:10:00.163Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-668"],"updated_at":"2026-11-02T14:12:12.73929Z"}]}}