Vulnerability · CVE-2024-20440

Cisco Smart Licensing Utility Insertion of Sensitive Information into Log File

Published Jun 7, 2025 · corrected/updated Jun 7, 2025 · Cisco Smart Licensing Utility · evidence confidence very high

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. VulnCheck canary evidence.

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2024-20440 is a unknown public vulnerability record for Cisco Smart Licensing Utility. CISA lists it as known exploited. Published remediation guidance: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether Cisco Smart Licensing Utility is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: Cisco Smart Licensing Utility. Published remediation guidance: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: no CVSS/EPSS yet. CISA lists it as known exploited. Sources contributing to this record: vulncheck_kev. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

Exploitation evidence
Confirmed in CISA KEV since Jun 7, 2025. Listed in CISA KEV and VulnCheck KEV.
Patch and remediation
Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Safe detection guidance
Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Technology hubs

Cisco

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

Jun 7, 2025 · VulnCheck KEV
Detected
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, inc
Jun 7, 2025 · CISA KEV
Known exploited
Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Affected

vendor Cisco Smart Licensing Utilityversion unspecified

Sources

VulnCheck KEVConfirmed exploitationCVE-2024-20440
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 t
vulncheck.com