CVE-2024-40457

CVE-2024-40457 is a critical-severity vulnerability with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-312.

Key facts

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.

Frequently asked questions

What is CVE-2024-40457?
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.
How severe is CVE-2024-40457?
CVE-2024-40457 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability high.
Is CVE-2024-40457 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-40457?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2024-40457 have an EU (EUVD) identifier?
Yes. CVE-2024-40457 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-38462.
When was CVE-2024-40457 published?
CVE-2024-40457 was published on 2024-09-12 and last updated on 2026-06-17.

References

Other CWE-312 (Cleartext Storage of Sensitive Information) vulnerabilities

Browse all CWE-312 (Cleartext Storage of Sensitive Information) vulnerabilities →