Cisco Smart License Utility - Information Disclosure (CVE-2024-20440)
Description
A vulnerability in Cisco Smart Licensing Utility could allow an unauthenticated, remote attacker to access sensitive information.
This vulnerability is due to excessive verbosity in a debug log file. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to obtain log files that contain sensitive data, including credentials that can be used to access the API.
psychologyCrowdSec Analysis
CVE-2024-20440 is a vulnerability in Cisco Smart Licensing Utility that allows unauthenticated remote attackers to access sensitive diagnostic log files, potentially exposing credentials and other confidential details.
CrowdSec has been tracking this vulnerability and its exploits since 3rd of April 2025.
CrowdSec network observations suggest that most exploitation of CVE-2024-20440 involves focused reconnaissance to identify viable targets. Attackers typically tailor their campaigns based on system exposure and configuration. It is unlikely that a given attack is accidental. Telemetry from the CrowdSec network also shows that exploitation activity for CVE-2024-20440 remains steady week-over-week. Attack volumes are consistent with long-term trends, indicating sustained interest from threat actors. CVE-2024-20440 continues to be an active part of the threat landscape and will likely remain this way for the forseeable future.
Exploitation attempts typically target URLs containing /cslu/v1/var/logs/customer-cslu-lib-log.log.
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| Event | Date |
|---|---|
| CVE Published | 2024-09-04 |
| Rule Released | 2025-04-03 |
| CrowdSec First Seen | 2025-04-07 |