CVE-2024-20439
Cisco Smart Licensing Utility Static Credential Vu - [Actively Exploited]
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.
INFO
Published Date :
Sept. 4, 2024, 5:15 p.m.
Last Modified :
April 3, 2025, 8:58 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
CISA KEV (Known Exploited Vulnerabilities)
For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.
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.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cslu-7gHMzWmw ; https://nvd.nist.gov/vuln/detail/CVE-2024-20439
Public PoC/Exploit Available at Github
CVE-2024-20439 has a 3 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2024-20439.
| URL | Resource |
|---|---|
| https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cslu-7gHMzWmw | Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
A repo for output of an intrusion prediction project
Jupyter Notebook
A collection of Vulnerability Research and Reverse Engineering writeups.
Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.
cisa-kev vulnerability 0day cisa exploits
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2024-20439 vulnerability anywhere in the article.
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BleepingComputer
Cisco Webex bug lets hackers gain code execution via meeting links
Cisco has released security updates for a high-severity Webex vulnerability that allows unauthenticated attackers to gain client-side remote code execution using malicious meeting invite links. Tracke ... Read more
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Help Net Security
Week in review: Probing activity on Palo Alto Networks GlobalProtect portals, Patch Tuesday forecast
Here’s an overview of some of last week’s most interesting news, articles, interviews and videos: Attackers are probing Palo Alto Networks GlobalProtect portals Cybersecurity company GreyNoise is warn ... Read more
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Help Net Security
Ivanti VPN customers targeted via unrecognized RCE vulnerability (CVE-2025-22457)
A suspected Chinese APT group has exploited CVE-2025-22457 – a buffer overflow bug that was previously thought not to be exploitable – to compromise appliances running Ivanti Connect Secure (ICS) 22.7 ... Read more
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Help Net Security
Attackers are leveraging Cisco Smart Licensing Utility static admin credentials (CVE-2024-20439)
CVE-2024-20439, a static credential vulnerability in the Cisco Smart Licensing Utility, is being exploited by attackers in the wild, CISA has confirmed on Monday by adding the flaw to its Known Exploi ... Read more
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Cyber Security News
Cisco Smart Licensing Utility Vulnerabilities Let Attackers Gain Admin Access
Two critical vulnerabilities were actively exploited in Cisco Smart Licensing Utility, potentially allowing attackers to gain administrative access to affected systems. Organizations running vulnerabl ... Read more
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BleepingComputer
Cisco warns of CSLU backdoor admin account used in attacks
Cisco has warned admins to patch a critical Cisco Smart Licensing Utility (CSLU) vulnerability, which exposes a built-in backdoor admin account now used in attacks. CSLU is a Windows app for managing ... Read more
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TheCyberThrone
CVE-2025-1268: Critical Vulnerability in Canon Printer Drivers
CVE-2025-1268 is a serious security vulnerability affecting multiple Canon printer drivers, primarily used in production printers, multifunction devices, and laser printers. This vulnerability has rai ... Read more
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TheCyberThrone
Apple Backported Three Vulnerabilities
Apple recently backported fixes for three actively exploited vulnerabilities to older devices and operating system versions.1. CVE-2025-24085: Core Media Privilege EscalationDescription:CVE-2025-24085 ... Read more
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security.nl
Cisco waarschuwt klanten voor misbruik van lekken in Smart Licensing Utility
Cisco waarschuwt klanten voor misbruik van twee kritieke kwetsbaarheden in de Smart Licensing Utility en roept organisaties op om de beschikbaar gestelde updates te installeren. Via de Smart Licensing ... Read more
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TheCyberThrone
CVE-2024-20439 added to CISA KEV Catalog
CVE-2024-20439 is a critical vulnerability affecting Cisco Smart Licensing Utility (CSLU), classified with a CVSS score of 9.8 (Critical). It represents a major security risk, as it allows unauthorize ... Read more
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Cyber Security News
CISA Warns of Cisco Smart Licensing Utility Credential Vulnerability Exploited in Attacks
The Cybersecurity and Infrastructure Security Agency (CISA) has added a critical Cisco vulnerability to its Known Exploited Vulnerabilities (KEV) catalog following confirmation of active exploitation ... Read more
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Daily CyberSecurity
CISA Warns of Active Exploitation of Cisco Smart Licensing Utility Flaw
In a critical update to its Known Exploited Vulnerabilities (KEV) Catalog, the Cybersecurity and Infrastructure Security Agency (CISA) has added CVE-2024-20439 (CVSS 9.8), a high-severity static crede ... Read more
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Cybersecurity News
OneDev DevOps Platform Patches Critical Security Flaw Exposing Sensitive Data – (CVE-2024-45309)
A critical security vulnerability (CVE-2024-45309) has been discovered and patched in OneDev, a popular open-source DevOps platform. This vulnerability could have allowed unauthenticated attackers to ... Read more
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Cybersecurity News
Researcher Details RCE Flaw (CVE-2024-36435) in Supermicro BMC IPMI Firmware
A newly discovered critical vulnerability, CVE-2024-36435, has been uncovered in several Supermicro enterprise products, potentially exposing organizations to significant security risks. Discovered by ... Read more
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Cybersecurity News
CISA Adds Four Actively Exploited Vulnerabilities to KEV Catalog
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has once again raised the alarm, adding four new security vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog. These a ... Read more
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Cybersecurity News
PLANET Technology Switches Face CVE-2024-8456 (CVSS 9.8), Urgent Firmware Updates Advised
The Taiwan Computer Emergency Response Team (TWCERT/CC) has released a series of security advisories highlighting critical vulnerabilities affecting various PLANET Technology switch models. These vuln ... Read more
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Cybersecurity News
Storm-0501 Targets Hybrid Clouds with Evolving Ransomware Tactics
In a recent report from Microsoft Threat Intelligence, the cybercriminal group Storm-0501 has been identified as a rising threat, targeting hybrid cloud environments through a series of sophisticated ... Read more
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Cybersecurity News
HashiCorp Vault Flaw (CVE-2024-759): Unrestricted SSH Access Threatens System Security
HashiCorp, a leading provider of infrastructure automation software, has issued a critical security advisory concerning a vulnerability in its popular secrets management tool, Vault. The flaw, designa ... Read more
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Cybersecurity News
VLC Media Player Update Needed: CVE-2024-46461 Discovered
Users of the popular VLC media player are being urged to update their software immediately following the discovery of a critical vulnerability that could allow malicious actors to crash the program or ... Read more
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Cybersecurity News
Critical Flaws Discovered in Jupiter X Core WordPress Plugin Affecting Over 90,000 Sites
Security researchers have uncovered two critical vulnerabilities in the Jupiter X Core WordPress plugin, impacting over 90,000 websites. The flaws could allow unauthenticated attackers to take complet ... Read more
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Cybersecurity News
Critical Vulnerabilities in Automated Tank Gauge Systems Threaten Global Infrastructure
Image: BitsightIn a recent revelation, security researchers at Bitsight have uncovered severe vulnerabilities within Automated Tank Gauge (ATG) systems—integral components used to monitor fuel levels ... Read more
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Cybersecurity News
FlashArray, FlashBlade at Risk: Pure Storage Reveals CVSS 10 Vulnerabilities
Pure Storage has released a critical security advisory detailing multiple high-severity vulnerabilities impacting its FlashArray and FlashBlade storage systems. These vulnerabilities, some with a maxi ... Read more
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Cybersecurity News
Critical Flaw in RAISECOM Gateways Actively Exploited, Exposing Thousands to Remote Attacks
Image: NetsecfishA newly discovered and actively exploited vulnerability in RAISECOM Gateway devices poses a significant threat to enterprise security. The flaw, tracked as CVE-2024-7120 with a critic ... Read more
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Cybersecurity News
Researcher Details CVE-2024-20439 (CVSS 9.8) Flaw in Cisco Smart Licensing Utility
Image: Nicholas StarkeIn a recent cybersecurity revelation, Nicholas Starke, a threat researcher at Aruba, a Hewlett Packard Enterprise company, unveiled the details of CVE-2024-20439, a severe vulner ... Read more
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Cybersecurity News
Versa Networks Exposes Critical API Vulnerability in Versa Director (CVE-2024-45229)
Versa Networks has issued a security advisory regarding a vulnerability discovered in its Versa Director product, CVE-2024-45229. This vulnerability, which carries a CVSS score of 6.6, could potential ... Read more
-
Cybersecurity News
Black Basta’s Evolving Tactics and the Rising Role of LLMs in Cyber Attack
On the latest episode of the Microsoft Threat Intelligence podcast, host Sherrod DeGrippo and her expert guests delved into the cutting-edge techniques employed by cybercriminal groups, with a particu ... Read more
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The Register
Cisco's Smart Licensing Utility flaws suggest it's pretty dumb on security
If you're running Cisco's supposedly Smart Licensing Utility, there are two flaws you ought to patch right now. "Multiple vulnerabilities in Cisco Smart Licensing Utility could allow an unauthenticate ... Read more
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security.nl
Cisco waarschuwt voor hardcoded admin-wachtwoord in Smart Licensing Utility
Cisco waarschuwt organisaties voor een kritieke kwetsbaarheid in de Smart Licensing Utility waardoor een ongeauthenticeerde aanvaller op afstand kan inloggen. Het probleem wordt veroorzaakt door een o ... Read more
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The Hacker News
Cisco Fixes Two Critical Flaws in Smart Licensing Utility to Prevent Remote Attacks
Cisco has released security updates for two critical security flaws impacting its Smart Licensing Utility that could allow unauthenticated, remote attackers to elevate their privileges or access sensi ... Read more
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Cybersecurity News
Critical Cisco SLU Vulnerabilities CVE-2024-20439 and CVE-2024-20440 Threaten Remote Admin Control
Cisco has issued a security advisory warning organizations of multiple vulnerabilities in its Smart Licensing Utility (SLU) that could allow remote attackers to access sensitive information or gain ad ... Read more
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BleepingComputer
Cisco warns of backdoor admin account in Smart Licensing Utility
Cisco has removed a backdoor account in the Cisco Smart Licensing Utility (CSLU) that can be used to log into unpatched systems with administrative privileges. CSLU is a Windows application that helps ... Read more
The following table lists the changes that have been made to the
CVE-2024-20439 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Modified Analysis by [email protected]
Apr. 03, 2025
Action Type Old Value New Value -
CVE Modified by [email protected]
Apr. 01, 2025
Action Type Old Value New Value Changed Description A vulnerability in Cisco Smart Licensing Utility could allow an unauthenticated, remote attacker to log in to 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 log in to the affected system. A successful exploit could allow the attacker to log in to the affected system with administrative privileges over the API of the Cisco Smart Licensing Utility application. 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. -
CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725
Apr. 01, 2025
Action Type Old Value New Value Added Date Added 2025-03-31 Added Due Date 2025-04-21 Added 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. Added Vulnerability Name Cisco Smart Licensing Utility Static Credential Vulnerability -
Initial Analysis by [email protected]
Sep. 13, 2024
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cslu-7gHMzWmw No Types Assigned https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cslu-7gHMzWmw Vendor Advisory Added CWE NIST CWE-798 Added CPE Configuration OR *cpe:2.3:a:cisco:smart_license_utility:*:*:*:*:*:*:*:* versions from (including) 2.0.0 up to (excluding) 2.3.0 -
CVE Received by [email protected]
Sep. 04, 2024
Action Type Old Value New Value Added Description A vulnerability in Cisco Smart Licensing Utility could allow an unauthenticated, remote attacker to log in to 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 log in to the affected system. A successful exploit could allow the attacker to log in to the affected system with administrative privileges over the API of the Cisco Smart Licensing Utility application. Added Reference Cisco Systems, Inc. https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cslu-7gHMzWmw [No types assigned] Added CWE Cisco Systems, Inc. CWE-912 Added CVSS V3.1 Cisco Systems, Inc. AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2024-20439 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2024-20439
weaknesses.