Cyber Resilience

CVE-2024-40457

Critical

Published: 12 September 2024

Published
12 September 2024
Modified
15 April 2026
KEV Added
Patch
CVSS Score v3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
EPSS Score 0.0295 86.8th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-40457 is a critical-severity Cleartext Storage of Sensitive Information (CWE-312) vulnerability in Noip (inferred from references). Its CVSS base score is 9.1 (Critical).

Operationally, ranked in the top 13.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

Noip
inferred from references and description; NVD did not file a CPE for this CVE

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-312

Training on secure data handling discourages cleartext storage of sensitive information.

addresses: CWE-312

Data action mapping can detect storage actions that leave sensitive information in cleartext.

addresses: CWE-312

Configuration policies can mandate secure storage methods to avoid cleartext storage of sensitive information.

addresses: CWE-312

Policy requires protection measures such as encryption for sensitive data stored on media, preventing cleartext exposure.

addresses: CWE-312

Key-management policy requires protected storage of key material, preventing cleartext storage of sensitive cryptographic keys.

addresses: CWE-312

Requiring confidentiality protection for information at rest eliminates cleartext storage of sensitive data on persistent media.

addresses: CWE-312

Reduces cleartext storage of sensitive data when OPSEC identifies and mandates protection of key information artifacts.

References