Actively exploited · Published Sep 4, 2024 · Assigned by cisco
CVE-2024-20439
Critical 9.8 Exploited
In plain English
A critical-severity security flaw in Cisco Smart License Utility from Cisco. Attackers are actively exploiting it in the wild (listed by CISA on March 31, 2025). The chance it is exploited in the next 30 days is estimated at 97.1% (higher than 99.9% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei. Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CISA guidance
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Federal agencies must remediate by Apr 21, 2025.
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Cisco Smart License Utility | 2.1.02.0.02.2.0 |
Weakness: CWE-912 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H