{"id":"CVE-2024-20377","aliases":["EUVD-2024-18092","GHSA-8vhw-wjxq-h782"],"status":"published","title":"A vulnerability in the web-based management interface of Cisco Firepower Management Center (FMC)...","description":"A vulnerability in the web-based management interface of Cisco Firepower Management Center (FMC) could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a user of the interface.\r\n\r This vulnerability is due to the web-based management interface not properly validating user-supplied input. An attacker could exploit this vulnerability by by persuading a user of the interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0045,"percentile":0.39553,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2024-10-23T17:30:26Z","modified":"2026-06-17T07:06:52Z","products":[{"vendor":"cisco","product":"cisco firepower management center"},{"vendor":"cisco","product":"secure_firewall_management_center"}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-xss-infodisc-RL4mJFer","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-20377"},{"url":"https://github.com/advisories/GHSA-8vhw-wjxq-h782"}],"sources":{"cve":[{"id":"CVE-2024-20377","description":"A vulnerability in the web-based management interface of Cisco Firepower Management Center (FMC) could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a user of the interface.\r\n\r This vulnerability is due to the web-based management interface not properly validating user-supplied input. An attacker could exploit this vulnerability by by persuading a user of the interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information.","status":"published","published":"2024-10-23T17:30:26.541Z","modified":"2024-10-24T16:25:20.191Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:56.402064Z"}],"euvd":[{"id":"EUVD-2024-18092","description":"A vulnerability in the web-based management interface of Cisco Firepower Management Center (FMC) could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a user of the interface.\r\n\r This vulnerability is due to the web-based management interface not properly validating user-supplied input. An attacker could exploit this vulnerability by by persuading a user of the interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information.","status":"published","published":"2024-10-23T17:30:26Z","modified":"2024-10-24T16:25:20Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T00:05:20.137911Z"}],"ghsa":[{"id":"GHSA-8vhw-wjxq-h782","title":"A vulnerability in the web-based management interface of Cisco Firepower Management Center (FMC)...","description":"A vulnerability in the web-based management interface of Cisco Firepower Management Center (FMC) could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a user of the interface.\n\n This vulnerability is due to the web-based management interface not properly validating user-supplied input. An attacker could exploit this vulnerability by by persuading a user of the interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information.","status":"published","published":"2024-10-23T18:33:09Z","modified":"2024-10-23T18:33:16Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:58:34.787705Z"}],"nvd":[{"id":"CVE-2024-20377","description":"A vulnerability in the web-based management interface of Cisco Firepower Management Center (FMC) could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a user of the interface.\r\n\r This vulnerability is due to the web-based management interface not properly validating user-supplied input. An attacker could exploit this vulnerability by by persuading a user of the interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information.","status":"published","published":"2024-10-23T18:15:06.327Z","modified":"2026-06-17T07:06:52.227Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:10:33.928543Z"}]}}