Medium severity · published Feb 8, 2023
CVE-2022-45191
An issue was discovered on Microchip RN4870 1.43 devices
6.5
CVSS
0.2%
EPSS
No
On KEV
Description
An issue was discovered on Microchip RN4870 1.43 devices. An attacker within BLE radio range can cause a denial of service by sending a pair confirm message with wrong values.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 10% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RF
Rn4870 Firmware · Microchip
1.43 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-45191
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-45191
Issue Tracking
https://www.microchip.com/en-us/support/product-change-notification
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CVE-2022-46399
The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) is unresponsive with ConReqTimeoutZero
6.5
CVE-2022-45192
An issue was discovered on Microchip RN4870 1.43 devices
6.5
CVE-2022-46402
The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) accepts PairCon_rmSend with incorrect values
5.4
CVE-2022-46401
The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) accepts PauseEncReqPlainText before pairing is complete