CVE-2024-20439A 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.
Updated under an hour ago ()
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It affects Cisco Smart License Utility and 1 other product. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Mar 31, 2025; federal agencies had to remediate by Apr 21, 2025. Treat that date as your deadline.
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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.
- CVSS
- 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-912
- Known exploited
- Added to CISA KEV Mar 31, 2025; federal remediation due Apr 21, 2025Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- EPSS (exploitation in the next 30 days)
- 97.09% (percentile 100)
- Assigned by
- cisco
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Cisco Cisco Smart License Utility cisco:smart_license_utility (from the name) | 2.1.0; 2.0.0; 2.2.0 | CNA record |
cisco cisco_smart_license_utility cisco:cisco_smart_license_utility | 2.1.0; 2.0.0; 2.2.0 | CISA ADP |
cisco smart_license_utility cisco:smart_license_utility | from 2.0.0 before 2.3.0 | NVD |
References
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cslu-7gHMzWmwvendor-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-20439us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.