CVEvulnerability

CVE-2024-20439

9.8 CRITICAL Known exploited Published 2024-09-04 Modified 2026-06-17 Official page ↗

CISA Known Exploited Vulnerability

Cisco Smart Licensing Utility Static Credential Vulnerability — Cisco Smart Licensing Utility

Cisco Smart Licensing Utility contains a static credential vulnerability that allows an unauthenticated, remote attacker to log in to an affected system and gain administrative credentials.

Added to KEV
2025-03-31
Remediation due
2025-04-21
Ransomware use
Unknown
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Notes
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cslu-7gHMzWmw ; https://nvd.nist.gov/vuln/detail/CVE-2024-20439
Status
Analyzed
Published
2024-09-04
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-798, CWE-912

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 configurations

• cisco smart license utility (>= 2.0.0 < 2.3.0)

Related

Weakness · CWE (2)

  • CWE-798 Use of Hard-coded Credentials weakness
  • CWE-912 Hidden Functionality weakness

References