CVE-2022-46403
Microchip RN4870 Bluetooth Low Energy Stack Denial-of-Service Vulnerability
Description
The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) mishandles reject messages.
INFO
Published Date :
Dec. 19, 2022, 11:15 p.m.
Last Modified :
April 17, 2025, 3:15 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
4.0
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2022-46403
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2022-46403.
| URL | Resource |
|---|---|
| https://microchip.com | Product |
| https://www.computer.org/csdl/proceedings-article/sp/2023/933600a521/1He7Yja1AYM | Exploit Technical Description Third Party Advisory |
| https://www.computer.org/csdl/proceedings/sp/2023/1He7WWuJExG | Third Party Advisory |
| https://www.microchip.com/en-us/products/wireless-connectivity/software-vulnerability-response/deviating-behaviors-in-bluetooth-le | Vendor Advisory |
| https://microchip.com | Product |
| https://www.computer.org/csdl/proceedings-article/sp/2023/933600a521/1He7Yja1AYM | Exploit Technical Description Third Party Advisory |
| https://www.computer.org/csdl/proceedings/sp/2023/1He7WWuJExG | Third Party Advisory |
| https://www.microchip.com/en-us/products/wireless-connectivity/software-vulnerability-response/deviating-behaviors-in-bluetooth-le | Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2022-46403 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-46403 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Apr. 17, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N Added CWE CWE-755 -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://microchip.com Added Reference https://www.computer.org/csdl/proceedings/sp/2023/1He7WWuJExG Added Reference https://www.computer.org/csdl/proceedings-article/sp/2023/933600a521/1He7Yja1AYM Added Reference https://www.microchip.com/en-us/products/wireless-connectivity/software-vulnerability-response/deviating-behaviors-in-bluetooth-le -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Dec. 27, 2022
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N Changed Reference Type https://microchip.com No Types Assigned https://microchip.com Product Changed Reference Type https://www.computer.org/csdl/proceedings/sp/2023/1He7WWuJExG No Types Assigned https://www.computer.org/csdl/proceedings/sp/2023/1He7WWuJExG Third Party Advisory Changed Reference Type https://www.computer.org/csdl/proceedings-article/sp/2023/933600a521/1He7Yja1AYM No Types Assigned https://www.computer.org/csdl/proceedings-article/sp/2023/933600a521/1He7Yja1AYM Exploit, Technical Description, Third Party Advisory Changed Reference Type https://www.microchip.com/en-us/products/wireless-connectivity/software-vulnerability-response/deviating-behaviors-in-bluetooth-le No Types Assigned https://www.microchip.com/en-us/products/wireless-connectivity/software-vulnerability-response/deviating-behaviors-in-bluetooth-le Vendor Advisory Added CWE NIST NVD-CWE-noinfo Added CPE Configuration AND OR *cpe:2.3:o:microchip:bm78_firmware:1.43:*:*:*:*:*:*:* OR cpe:2.3:h:microchip:bm78:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:microchip:bm83_firmware:1.43:*:*:*:*:*:*:* OR cpe:2.3:h:microchip:bm83:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:microchip:rn4870_firmware:1.43:*:*:*:*:*:*:* OR cpe:2.3:h:microchip:rn4870:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:microchip:rn4871_firmware:1.43:*:*:*:*:*:*:* OR cpe:2.3:h:microchip:rn4871:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:microchip:bm70_firmware:1.43:*:*:*:*:*:*:* OR cpe:2.3:h:microchip:bm70:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:microchip:bm71_firmware:1.43:*:*:*:*:*:*:* OR cpe:2.3:h:microchip:bm71:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:microchip:pic_lightblue_explorer_demo_firmware:4.2_dt100112:*:*:*:*:*:*:* OR cpe:2.3:h:microchip:pic_lightblue_explorer_demo:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:microchip:is1871_firmware:1.43:*:*:*:*:*:*:* OR cpe:2.3:h:microchip:is1871:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:microchip:is1870_firmware:1.43:*:*:*:*:*:*:* OR cpe:2.3:h:microchip:is1870:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-46403 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2022-46403
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.16 }} -0.05%
score
0.34219
percentile