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
Published Sep 4, 2024 ·Due Apr 21, 2025
9.8
CRITICALCVSS 3.1
EPSS 97.09%
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
-
- Version 2.0.0StatusaffectedConstraints-
- Version 2.1.0StatusaffectedConstraints-
- Version 2.2.0StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cisco | Cisco Smart License Utility | n/a |
|
- ≥ 2.0.0 · < 2.3.0
-
- Version 2.0.0StatusaffectedConstraints-
- Version 2.1.0StatusaffectedConstraints-
- Version 2.2.0StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cisco | Cisco Smart License Utility | n/a |
|
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
Date Added
Mar 31, 2025
Patch Due
Apr 21, 2025
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.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
ActiveAutomatable
YesTechnical Impact
TotalDecision
n/aAssessed Mar 31, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2024–2026- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (28 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 97.09% (0.97090) | 99.89th | v5 (v2026.06.15) |
| Sep 20, 2026 | 92.06% (0.92062) | 99.82th | v5 (v2026.06.15) |
| Jun 15, 2026 | 92.01% (0.92010) | 99.81th | v5 (v2026.06.15) |
| Jan 18, 2026 | 86.31% (0.86315) | 99.38th | v4 (v2025.03.14) |
| Dec 27, 2025 | 84.28% (0.84281) | 99.28th | v4 (v2025.03.14) |
| Nov 21, 2025 | 85.79% (0.85792) | 99.33th | v4 (v2025.03.14) |
| Nov 18, 2025 | 80.51% (0.80511) | 99.20th | v4 (v2025.03.14) |
| Oct 29, 2025 | 85.79% (0.85792) | 99.33th | v4 (v2025.03.14) |
| Oct 14, 2025 | 87.89% (0.87894) | 99.44th | v4 (v2025.03.14) |
| Jul 24, 2025 | 86.52% (0.86521) | 99.36th | v4 (v2025.03.14) |
| Jul 21, 2025 | 87.53% (0.87530) | 99.41th | v4 (v2025.03.14) |
| Apr 5, 2025 | 89.15% (0.89146) | 99.52th | v4 (v2025.03.14) |
| Apr 1, 2025 | 88.04% (0.88044) | 99.45th | v4 (v2025.03.14) |
| Mar 30, 2025 | 83.21% (0.83210) | 99.21th | v4 (v2025.03.14) |
| Mar 29, 2025 | 84.40% (0.84399) | 99.15th | v4 (v2025.03.14) |
| Mar 28, 2025 | 83.21% (0.83210) | 99.21th | v4 (v2025.03.14) |
| Mar 27, 2025 | 79.11% (0.79105) | 98.98th | v4 (v2025.03.14) |
| Mar 24, 2025 | 83.21% (0.83210) | 99.24th | v4 (v2025.03.14) |
| Mar 23, 2025 | 79.11% (0.79105) | 99.00th | v4 (v2025.03.14) |
| Mar 20, 2025 | 83.21% (0.83210) | 99.26th | v4 (v2025.03.14) |
| Mar 19, 2025 | 79.11% (0.79105) | 99.00th | v4 (v2025.03.14) |
| Mar 17, 2025 | 83.21% (0.83210) | 99.22th | v4 (v2025.03.14) |
| Mar 12, 2025 | 18.82% (0.18823) | 96.34th | v3 (v2023.03.01) |
| Feb 7, 2025 | 15.83% (0.15835) | 95.96th | v3 (v2023.03.01) |
| Dec 12, 2024 | 16.88% (0.16883) | 96.25th | v3 (v2023.03.01) |
| Nov 9, 2024 | 14.74% (0.14739) | 95.92th | v3 (v2023.03.01) |
| Sep 14, 2024 | 16.33% (0.16329) | 96.10th | v3 (v2023.03.01) |
| Sep 5, 2024 | 0.04% (0.00043) | 9.57th | v3 (v2023.03.01) |
References (2)
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cslu-7gHMzWmw Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-20439 government-resourceUS Government Resource
| Link | Providers | Tags |
|---|---|---|
| https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cslu-7gHMzWmw | Vendor Advisory | |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-20439 | government-resourceUS Government Resource |
Change history (0)
No recorded changes yet.