{"id":"CVE-2024-20439","aliases":["EUVD-2024-18154","GHSA-mcxm-8hr3-frmx"],"status":"published","title":"A vulnerability in Cisco Smart Licensing Utility could allow an unauthenticated, remote attacker...","description":"A vulnerability in Cisco Smart Licensing Utility (CSLU) could allow an unauthenticated, remote attacker to log into an affected system by using a static administrative credential.\r\n\r This vulnerability is due to an undocumented static user credential for an administrative account. An attacker could exploit this vulnerability by using the static credentials to login to the affected system. A successful exploit could allow the attacker to login to the affected system with administrative rights over the CSLU application API.","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":"2026-11-08","score":0.9709,"percentile":0.99893,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":false,"fix_available":false},"cwes":["CWE-798","CWE-912"],"published":"2024-09-04T16:28:39Z","modified":"2026-06-17T07:07:06Z","kev":{"date_added":"2025-03-31","due_date":"2025-04-21","required_action":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2025-03-31"},{"source":"kev","since":"2025-03-31"}],"exploits":[{"source":"nuclei","id":"CVE-2024-20439","title":"Hardcoded Admin Credentials For Cisco Smart Licensing Utility API","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2024/CVE-2024-20439.yaml"}],"products":[{"vendor":"cisco","product":"cisco smart license utility"},{"vendor":"cisco","product":"cisco_smart_license_utility"},{"vendor":"cisco","product":"smart licensing utility"},{"vendor":"cisco","product":"smart_license_utility"}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cslu-7gHMzWmw","tags":["Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-20439","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-20439"},{"url":"https://github.com/advisories/GHSA-mcxm-8hr3-frmx"}],"sources":{"cve":[{"id":"CVE-2024-20439","description":"A vulnerability in Cisco Smart Licensing Utility (CSLU) could allow an unauthenticated, remote attacker to log into an affected system by using a static administrative credential.\r\n\r This vulnerability is due to an undocumented static user credential for an administrative account. An attacker could exploit this vulnerability by using the static credentials to login to the affected system. A successful exploit could allow the attacker to login to the affected system with administrative rights over the CSLU application API.","status":"published","published":"2024-09-04T16:28:39.669Z","modified":"2025-10-21T22:55:46.01Z","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-912"],"updated_at":"2026-11-02T14:33:56.868512Z"}],"euvd":[{"id":"EUVD-2024-18154","description":"A vulnerability in Cisco Smart Licensing Utility (CSLU) could allow an unauthenticated, remote attacker to log into an affected system by using a static administrative credential.\r\n\r This vulnerability is due to an undocumented static user credential for an administrative account. An attacker could exploit this vulnerability by using the static credentials to login to the affected system. A successful exploit could allow the attacker to login to the affected system with administrative rights over the CSLU application API.","status":"published","published":"2024-09-04T16:28:39Z","modified":"2025-10-21T22:55:46Z","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"}],"exploited_since":"2025-03-31","updated_at":"2026-11-02T20:31:28.525814Z"}],"ghsa":[{"id":"GHSA-mcxm-8hr3-frmx","title":"A vulnerability in Cisco Smart Licensing Utility could allow an unauthenticated, remote attacker...","description":"A vulnerability in Cisco Smart Licensing Utility could allow an unauthenticated, remote attacker to log in to an affected system by using a static administrative credential.\n\nThis vulnerability is due to an undocumented static user credential for an administrative account. An attacker could exploit this vulnerability by using the static credentials to log in to the affected system. A successful exploit could allow the attacker to log in to the affected system with administrative privileges over the API of the Cisco Smart Licensing Utility application.","status":"published","published":"2024-09-04T18:30:58Z","modified":"2025-10-22T00:33:06Z","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-798","CWE-912"],"updated_at":"2026-11-02T15:04:07.67458Z"}],"kev":[{"id":"CVE-2024-20439","title":"Cisco Smart Licensing Utility Static Credential Vulnerability","description":"Cisco Smart Licensing Utility contains a static credential vulnerability that allows an unauthenticated, remote attacker to log in to an affected system and gain administrative credentials.","cwes":["CWE-912"],"kev":{"date_added":"2025-03-31","due_date":"2025-04-21","required_action":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","known_ransomware_use":"Unknown"},"updated_at":"2026-11-02T17:00:15.999436Z"}],"nvd":[{"id":"CVE-2024-20439","description":"A vulnerability in Cisco Smart Licensing Utility (CSLU) could allow an unauthenticated, remote attacker to log into an affected system by using a static administrative credential.\r\n\r This vulnerability is due to an undocumented static user credential for an administrative account. An attacker could exploit this vulnerability by using the static credentials to login to the affected system. A successful exploit could allow the attacker to login to the affected system with administrative rights over the CSLU application API.","status":"published","published":"2024-09-04T17:15:13.21Z","modified":"2026-06-17T07:07:06.23Z","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"},{"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":"primary"}],"cwes":["CWE-912","CWE-798"],"updated_at":"2026-11-02T14:10:24.514378Z"}]}}