What is the CVSS score of CVE-2022-46401?

CVE-2022-46401 has a CVSS 3.1 base score of 5.4 (Medium). CVSS vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L. EPSS exploitation probability: 0.7%.

Is there a public PoC exploit available for CVE-2022-46401?

Yes, a public proof-of-concept exploit is available for CVE-2022-46401. Prioritise patching immediately. EPSS: 0.7%.

Bm78 Firmware CVE-2022-46401

MEDIUM

Improper Input Validation (CWE-20)

2022-12-19 cve@mitre.org

Information Disclosure Bm78 Firmware Bm83 Firmware Rn4870 Firmware Rn4871 Firmware Bm70 Firmware Bm71 Firmware Pic Lightblue Explorer Demo Firmware Pic32Cx1012Bz25048 Firmware Wbz451 Firmware Rn4678 Firmware Bm77 Firmware Bm64 Firmware

5.4

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.4 MEDIUM

AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

Low

Lifecycle Timeline

CVE Published

Dec 19, 2022 - 23:15 nvd

MEDIUM 5.4

DescriptionNVD

The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) accepts PauseEncReqPlainText before pairing is complete.

AnalysisAI

The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) accepts PauseEncReqPlainText before pairing is complete. Rated medium severity (CVSS 5.4), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-20. The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) accepts PauseEncReqPlainText before pairing is complete. Affected products include: Microchip Bm78 Firmware, Microchip Bm83 Firmware, Microchip Rn4870 Firmware, Microchip Rn4871 Firmware, Microchip Bm70 Firmware.

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.