Vulnerability Description
The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) accepts PauseEncReqPlainText before pairing is complete.
CVSS Score
5.4
MEDIUM
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microchip | Bm78 Firmware | 1.43 |
| Microchip | Bm78 | - |
| Microchip | Bm83 Firmware | 1.43 |
| Microchip | Bm83 | - |
| Microchip | Rn4870 Firmware | 1.43 |
| Microchip | Rn4870 | - |
| Microchip | Rn4871 Firmware | 1.43 |
| Microchip | Rn4871 | - |
| Microchip | Bm70 Firmware | 1.43 |
| Microchip | Bm70 | - |
| Microchip | Bm71 Firmware | 1.43 |
| Microchip | Bm71 | - |
| Microchip | Pic Lightblue Explorer Demo Firmware | 4.2_dt100112 |
| Microchip | Pic Lightblue Explorer Demo | - |
| Microchip | Pic32Cx1012Bz25048 Firmware | - |
| Microchip | Pic32Cx1012Bz25048 | - |
| Microchip | Wbz451 Firmware | - |
| Microchip | Wbz451 | - |
| Microchip | Rn4678 Firmware | 1.43 |
| Microchip | Rn4678 | - |
Related Weaknesses (CWE)
References
- https://microchip.comProduct
- https://www.computer.org/csdl/proceedings-article/sp/2023/933600a521/1He7Yja1AYMExploitTechnical DescriptionThird Party Advisory
- https://www.computer.org/csdl/proceedings/sp/2023/1He7WWuJExGThird Party Advisory
- https://www.microchip.com/en-us/products/wireless-connectivity/software-vulnerabVendor Advisory
- https://microchip.comProduct
- https://www.computer.org/csdl/proceedings-article/sp/2023/933600a521/1He7Yja1AYMExploitTechnical DescriptionThird Party Advisory
- https://www.computer.org/csdl/proceedings/sp/2023/1He7WWuJExGThird Party Advisory
- https://www.microchip.com/en-us/products/wireless-connectivity/software-vulnerabVendor Advisory
FAQ
What is CVE-2022-46401?
CVE-2022-46401 is a vulnerability with a CVSS score of 5.4 (MEDIUM). The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) accepts PauseEncReqPlainText before pairing is complete.
How severe is CVE-2022-46401?
CVE-2022-46401 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-46401?
Check the references section above for vendor advisories and patch information. Affected products include: Microchip Bm78 Firmware, Microchip Bm78, Microchip Bm83 Firmware, Microchip Bm83, Microchip Rn4870 Firmware.