What’s Vulnerable › Vulnerabilities

CVE-2024-40457

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-09-12 · updated 2026-06-17
• Weakness: CWE-312

Description

No-IP Dynamic Update Client (DUC) v3.x uses cleartext credentials that may occur on a command line or in a file. NOTE: the vendor's position is that cleartext in /etc/default/noip-duc is recommended and is the intentional behavior.

Affected products

• No-Ip Duc: 3.x

References

• https://github.com/jeppojeps/CVE-2024-40457-PoC
• https://www.noip.com/support/knowledgebase/install-linux-3-x-dynamic-update-client-duc
• https://www.noip.com/support/knowledgebase/running-linux-duc-v3-0-startup-2

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