CVE-2024-20439 Cisco Smart Licensing Utility Static Credential
An unauthenticated remote attacker can log in with administrative rights using static credentials, compromising the Cisco Smart Licensing Utility.
- Exploited in the wild
- Since 31 Mar 2025
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-20439?
CVE-2024-20439 is a critical vulnerability in Cisco Smart License Utility, published on 4 Sep 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
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.
Which versions are affected by CVE-2024-20439?
It affects 1 product.
Products include Cisco Smart License Utility.
How do I fix CVE-2024-20439?
No fix has been published for CVE-2024-20439 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 21 Apr 2025.
Is CVE-2024-20439 being exploited?
Yes. Attackers have exploited CVE-2024-20439 in the wild since at least 31 Mar 2025.
Public exploit code: 1 Nuclei template.
Other vulnerabilities in Cisco Smart License Utility
Sources
Also known as GHSA-mcxm-8hr3-frmx.