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.

Score

CVSS 3.1 9.8 Critical

Status

Analyzed - psirt@cisco.com

Published

2024-09-04

Last modified

2025-10-21

Known exploited (CISA KEV)

since 2025-03-31, action due 2025-04-21: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Weaknesses

CWE-798, CWE-912

Affected products

• Cisco Smart License Utility (Cisco)
• Smart License Utility (Cisco)

References

• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cslu-7gHMzWmw
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-20439