Digisol Router CVE-2024-4231

Q: What is the CVSS score of CVE-2024-4231?

CVE-2024-4231 has a CVSS 4.0 base score of 6.8 (Medium). CVSS vector: 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 exploitation probability: 0.6%.

MEDIUM

On-Chip Debug and Test Interface With Improper Access Control (CWE-1191)

2024-05-14 vdisclose@cert-in.org.in

Information Disclosure

6.8

CVSS 4.0 · Vendor: cert-in

Severity by source

Vendor (cert-in) PRIMARY

6.8 MEDIUM

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

Primary rating from Vendor (cert-in) · only source for this CVE.

CVSS VectorVendor: cert-in

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

Attack Vector

Physical

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

CVE Published

May 14, 2024 - 15:43 cve.org

MEDIUM 6.8

DescriptionCVE.org

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 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.

AnalysisAI

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. Rated medium severity (CVSS 6.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-1191. 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 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. Version information: version 3.7.

Affected ProductsAI

See vendor advisory for affected versions.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.