CVE-2024-20439
CVSS v3
9.8
CRITICAL
EPSS Score
85.8 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
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. 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.
CISA Known Exploited Vulnerability
- Date Added
- 2025-03-31
- Patch Due Date
- 2025-04-21
- Ransomware Use
- Unknown
Technical details
- Published
- 2024-09-04
Frequently asked questions
What is CVE-2024-20439?
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.
Is CVE-2024-20439 actively exploited?
Yes. CVE-2024-20439 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 4/21/2025.
What is the CVSS score for CVE-2024-20439?
CVE-2024-20439 has a CVSS v3 base score of 9.8 (CRITICAL severity).
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