Cyber Resilience

CVE-2024-4231

Medium

Published: 14 May 2024

Published
14 May 2024
Modified
15 April 2026
KEV Added
—
Patch
—
CVSS Score v4 6.8 CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score 0.0478 89.7th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-4231 is a medium-severity On-Chip Debug and Test Interface With Improper Access Control (CWE-1191) vulnerability. Its CVSS base score is 6.8 (Medium).

Operationally, ranked in the top 10.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

This vulnerability exists in Digisol Router (DG-GR1321: Hardware version 3.7L; Firmware version : v3.2.02) due to presence of root terminal access on a serial interface without proper access control. An attacker with physical access could exploit this by identifying UART…

more

pins and accessing the root shell on the vulnerable system. Successful exploitation of this vulnerability could allow the attacker to access the sensitive information on the targeted system.

CWE(s)
CWE-1191

Related Threats

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

Affected Assets

—
Hardware
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.

SC-41 Port and I/O Device Access
addresses: CWE-1191

Directly mitigates exposure of on-chip debug and test interfaces by disabling or removing them.

SR-10 Inspection of Systems or Components
addresses: CWE-1191

Inspection of on-chip debug/test interfaces can identify tampering or unauthorized access that those interfaces enable.

References