# CVE-2024-20439: Cisco Smart Licensing Utility Static Credential Vulnerability

> CVE-2024-20439: Cisco Smart Licensing Utility Static Credential Vulnerability. CVSS 9.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2024-20439
Last updated: 2025-10-21T22:55:46Z

- Published: 2024-09-04 16:28 UTC · Updated: 2025-10-21 22:55 UTC · Assigner: cisco
- CVSS: 9.8 (CVSS 3.1) · Severity: Critical · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS: 97.1%, 100th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2025-03-31, federal due date 2025-04-21, ransomware use: Unknown
- CWE: CWE-912

## 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 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.

## Affected vendors and products

- cisco: cisco\_smart\_license\_utility
- Cisco: Cisco Smart License Utility

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2024-20439)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2024-20439)
- [https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cslu-7gHMzWmw](https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cslu-7gHMzWmw)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2024-20439 · Markdown: https://rewindex.com/cve/CVE-2024-20439.md · JSON: https://rewindex.com/api/v1/cves/CVE-2024-20439 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T01:58:50.366Z