{"id":"CVE-2021-34752","aliases":["EUVD-2021-21402","GHSA-2wh9-xh8x-vvv4"],"status":"published","title":"Cisco Firepower Threat Defense Command Injection Vulnerabilities","description":"A vulnerability in the CLI of Cisco\u0026nbsp;FTD Software could allow an authenticated, local attacker with administrative privileges to execute arbitrary commands with root privileges on the underlying operating system of an affected device.\u0026nbsp;\r\n\r\nThis vulnerability is due to insufficient validation of user-supplied command arguments. An attacker could exploit this vulnerability by submitting crafted input to the affected commands. A successful exploit could allow the attacker to execute commands with root privileges on the underlying operating system.\r\nCisco\u0026nbsp;has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.","severity":{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00261,"percentile":0.17894,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2024-11-15T16:14:36Z","modified":"2026-06-17T03:56:29Z","products":[{"vendor":"cisco","product":"cisco firepower threat defense software"},{"vendor":"cisco","product":"firepower_threat_defense_software"}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-cmdinject-FmzsLN8"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-34752"},{"url":"https://github.com/advisories/GHSA-2wh9-xh8x-vvv4"}],"sources":{"cve":[{"id":"CVE-2021-34752","title":"Cisco Firepower Threat Defense Command Injection Vulnerabilities","description":"A vulnerability in the CLI of Cisco\u0026nbsp;FTD Software could allow an authenticated, local attacker with administrative privileges to execute arbitrary commands with root privileges on the underlying operating system of an affected device.\u0026nbsp;\r\n\r\nThis vulnerability is due to insufficient validation of user-supplied command arguments. An attacker could exploit this vulnerability by submitting crafted input to the affected commands. A successful exploit could allow the attacker to execute commands with root privileges on the underlying operating system.\r\nCisco\u0026nbsp;has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.","status":"published","published":"2024-11-15T16:14:36.385Z","modified":"2024-11-15T18:09:38.213Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:33:11.244759Z"}],"euvd":[{"id":"EUVD-2021-21402","description":"A vulnerability in the CLI of Cisco\u0026nbsp;FTD Software could allow an authenticated, local attacker with administrative privileges to execute arbitrary commands with root privileges on the underlying operating system of an affected device.\u0026nbsp;\r\n\r\nThis vulnerability is due to insufficient validation of user-supplied command arguments. An attacker could exploit this vulnerability by submitting crafted input to the affected commands. A successful exploit could allow the attacker to execute commands with root privileges on the underlying operating system.\r\nCisco\u0026nbsp;has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.","status":"published","published":"2024-11-15T16:14:36Z","modified":"2024-11-15T18:09:38Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-03T00:04:58.20762Z"}],"ghsa":[{"id":"GHSA-2wh9-xh8x-vvv4","title":"A vulnerability in the CLI of Cisco\u0026nbsp;FTD Software could allow an authenticated, local...","description":"A vulnerability in the CLI of Cisco\u0026nbsp;FTD Software could allow an authenticated, local attacker with administrative privileges to execute arbitrary commands with root privileges on the underlying operating system of an affected device.\u0026nbsp;\n\nThis vulnerability is due to insufficient validation of user-supplied command arguments. An attacker could exploit this vulnerability by submitting crafted input to the affected commands. A successful exploit could allow the attacker to execute commands with root privileges on the underlying operating system.\nCisco\u0026nbsp;has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.","status":"published","published":"2024-11-15T18:30:51Z","modified":"2024-11-15T18:30:59Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:58:51.371243Z"}],"nvd":[{"id":"CVE-2021-34752","description":"A vulnerability in the CLI of Cisco\u0026nbsp;FTD Software could allow an authenticated, local attacker with administrative privileges to execute arbitrary commands with root privileges on the underlying operating system of an affected device.\u0026nbsp;\r\n\r\nThis vulnerability is due to insufficient validation of user-supplied command arguments. An attacker could exploit this vulnerability by submitting crafted input to the affected commands. A successful exploit could allow the attacker to execute commands with root privileges on the underlying operating system.\r\nCisco\u0026nbsp;has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.","status":"published","published":"2024-11-15T17:15:10.097Z","modified":"2026-06-17T03:56:29.553Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:07:08.629518Z"}]}}