{"id":"CVE-2026-20350","aliases":["EUVD-2026-81117","GHSA-gvrw-xc72-49qh"],"status":"published","title":"Cisco ThousandEyes Virtual Appliance Authenticated Web Interface Command Injection Vulnerability","description":"A vulnerability in the web-based management interface of Cisco ThousandEyes Virtual Appliance could allow an authenticated, remote attacker to inject arbitrary operating system commands.\r\n\r\nThis vulnerability is due to improper validation of user-supplied input to the web-based management interface. An attacker could exploit this vulnerability by saving configuration details that contain malicious values. A successful exploit could allow the attacker to execute arbitrary operating system commands with root privileges. To exploit this vulnerability, the attacker must have valid administrative credentials.","severity":{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00482,"percentile":0.42043,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-78"],"published":"2026-09-16T20:10:16Z","modified":"2026-09-21T12:50:01Z","products":[{"vendor":"cisco","product":"cisco thousandeyes enterprise agent"}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-teva-os-command-W4GAO6jp"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20350"},{"url":"https://github.com/advisories/GHSA-gvrw-xc72-49qh"}],"sources":{"cve":[{"id":"CVE-2026-20350","title":"Cisco ThousandEyes Virtual Appliance Authenticated Web Interface Command Injection Vulnerability","description":"A vulnerability in the web-based management interface of Cisco ThousandEyes Virtual Appliance could allow an authenticated, remote attacker to inject arbitrary operating system commands.\r\n\r\nThis vulnerability is due to improper validation of user-supplied input to the web-based management interface. An attacker could exploit this vulnerability by saving configuration details that contain malicious values. A successful exploit could allow the attacker to execute arbitrary operating system commands with root privileges. To exploit this vulnerability, the attacker must have valid administrative credentials.","status":"published","published":"2026-09-16T20:10:16.925Z","modified":"2026-09-21T12:50:01.504Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T13:35:44.571002Z"}],"euvd":[{"id":"EUVD-2026-81117","description":"A vulnerability in the web-based management interface of Cisco ThousandEyes Virtual Appliance could allow an authenticated, remote attacker to inject arbitrary operating system commands.\r\n\r\nThis vulnerability is due to improper validation of user-supplied input to the web-based management interface. An attacker could exploit this vulnerability by saving configuration details that contain malicious values. A successful exploit could allow the attacker to execute arbitrary operating system commands with root privileges. To exploit this vulnerability, the attacker must have valid administrative credentials.","status":"published","published":"2026-09-16T20:10:16Z","modified":"2026-09-21T12:50:01Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T17:28:05.72344Z"}],"ghsa":[{"id":"GHSA-gvrw-xc72-49qh","title":"A vulnerability in the web-based management interface of Cisco ThousandEyes Virtual Appliance...","description":"A vulnerability in the web-based management interface of Cisco ThousandEyes Virtual Appliance could allow an authenticated, remote attacker to inject arbitrary operating system commands.\n\nThis vulnerability is due to improper validation of user-supplied input to the web-based management interface. An attacker could exploit this vulnerability by saving configuration details that contain malicious values. A successful exploit could allow the attacker to execute arbitrary operating system commands with root privileges. To exploit this vulnerability, the attacker must have valid administrative credentials.","status":"published","published":"2026-09-16T21:32:50Z","modified":"2026-09-16T21:32:56Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T15:12:02.762055Z"}],"nvd":[{"id":"CVE-2026-20350","description":"A vulnerability in the web-based management interface of Cisco ThousandEyes Virtual Appliance could allow an authenticated, remote attacker to inject arbitrary operating system commands.\r\n\r\nThis vulnerability is due to improper validation of user-supplied input to the web-based management interface. An attacker could exploit this vulnerability by saving configuration details that contain malicious values. A successful exploit could allow the attacker to execute arbitrary operating system commands with root privileges. To exploit this vulnerability, the attacker must have valid administrative credentials.","status":"published","published":"2026-09-16T21:17:12.38Z","modified":"2026-09-18T15:17:07.71Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:12:49.013904Z"}]}}