CVE-2024-20440

highpriority · attend · 48EPSS 0.519 · 99 %ileEURUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

51.9% (99th) EPSS

CVSS 7.5 · high

Is it mine?

10 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cisco_csaf

EPSS · scored 2026-10-27

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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedCisco Smart License Utilitycisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · psirt@cisco.com USexploitability 3.9 · impact 3.6

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:Hsecondary · CVSS-BT (t0sche)

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · Cisco PSIRT US

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-532USprimaryCWE-532US

affected products (10)

Products and version ranges known to be affected.

Cisco Cisco Smart License Utilityall versionscisco_csafUS
Cisco Cisco Smart License Utility≤ 2.0.0enisa_euvdEU
Cisco Cisco Smart License Utility≤ 2.1.0enisa_euvdEU
Cisco Cisco Smart License Utility≤ 2.2.0enisa_euvdEU
Cisco Systems Inc. Cisco Smart License Utility≤ 2.2.0fstec_bduRU
Cisco Systems Inc. Cisco Smart License Utility≤ 2.1.0fstec_bduRU
Cisco Systems Inc. Cisco Smart License Utility≤ 2.0.0fstec_bduRU
cisco smart license utility= 2.0.0nvdUScpe:2.3:a:cisco:smart_license_utility:*:*:*:*:*:*:*:*
cisco smart license utility= 2.1.0nvdUScpe:2.3:a:cisco:smart_license_utility:*:*:*:*:*:*:*:*
cisco smart license utility= 2.2.0nvdUScpe:2.3:a:cisco:smart_license_utility:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

cisco-sa-cslu-7gHMzWmwCisco Smart Licensing Utility Vulnerabilities2024-09-04csaf · cisco_csafUS
Multiple vulnerabilities in Cisco Smart Licensing Utility could allow an unauthenticated, remote attacker to collect sensitive information or administer Cisco Smart Licensing Utility services on a system while the software is running. Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities. For more information about these vulnerabilities, see the Details ["#details"] section of this advisory.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cisco_csaf nvd NVD CVE.org MITRE

published 2024-09-04modified 2026-06-17

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+1484 more

references (5)

External citations — patches, advisories, analysis.

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