Medium severity · published Feb 8, 2023
CVE-2022-45190
An issue was discovered on Microchip RN4870 1.43 devices
5.3
CVSS
0.3%
EPSS
No
On KEV
Description
An issue was discovered on Microchip RN4870 1.43 devices. An attacker within BLE radio range can bypass passkey entry in the legacy pairing of the device.
CVSS vector
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Adjacent
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 17% 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-2022-45190
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-45190
Technical Description
https://blediff.github.io/
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The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) is unresponsive with ConReqTimeoutZero
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CVE-2022-45192
An issue was discovered on Microchip RN4870 1.43 devices
6.5
CVE-2022-45191
An issue was discovered on Microchip RN4870 1.43 devices
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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