CVE-2024-20439

CVE-2024-20439 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added March 31, 2025. A Nuclei detection template is also available.

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. 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.