Cyber Resilience

CVE-2024-42639

CriticalPublic PoC

Published: 16 August 2024

Published
16 August 2024
Modified
27 May 2025
KEV Added
Patch
CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0016 36.4th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-42639 is a critical-severity Use of Hard-coded Password (CWE-259) vulnerability in H3C Gr1100-P Firmware. Its CVSS base score is 9.8 (Critical).

Operationally, ranked at the 36.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

H3C GR1100-P v100R009 was discovered to use a hardcoded password in /etc/shadow, which allows attackers to log in as root.

CWE(s)

Related Threats

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

Affected Assets

h3c
gr1100-p firmware
100r009

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-259

Changing default authenticators prior to first use directly prevents use of hard-coded passwords.

addresses: CWE-259

Shared threat data frequently highlights products or deployments still using hard-coded passwords, enabling remediation that directly blocks credential-based attacks.

addresses: CWE-259

Background checks and authorization requirements decrease the probability that a developer will hard-code passwords for later unauthorized access.

addresses: CWE-259

Reviews of supplier deliverables reduce the chance that hard-coded passwords are introduced into the system.

References