How severe is CVE-2022-45190?

CVE-2022-45190 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2022-45190 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-45190?

CVE-2022-45190 affects Microchip Rn4870 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-45190?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-45190 published?

CVE-2022-45190 was published on 2023-02-08 and last updated on 2026-06-17.

CVE-2022-45190

CVE-2022-45190 is a medium-severity vulnerability in Microchip Rn4870 Firmware with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-306.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Microchip Rn4870 Firmware
Published: 2023-02-08
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2022-45190?: 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.
How severe is CVE-2022-45190?: CVE-2022-45190 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2022-45190 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-45190?: CVE-2022-45190 affects Microchip Rn4870 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-45190?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-45190 published?: CVE-2022-45190 was published on 2023-02-08 and last updated on 2026-06-17.

References

https://blediff.github.io/

Affected products (1)

cpe:2.3:o:microchip:rn4870_firmware:1.43:*:*:*:*:*:*:*

More vulnerabilities in Microchip Rn4870 Firmware

CVE-2022-46403 — High (CVSS 8.6): The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) mishandles…
CVE-2022-46399 — High (CVSS 7.5): The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) is unresponsive…
CVE-2022-45192 — Medium (CVSS 6.5): An issue was discovered on Microchip RN4870 1.43 devices. An attacker within BLE radio range can cause a denial of…
CVE-2022-45191 — Medium (CVSS 6.5): An issue was discovered on Microchip RN4870 1.43 devices. An attacker within BLE radio range can cause a denial of…
CVE-2022-46402 — Medium (CVSS 6.5): The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) accepts…
CVE-2022-46401 — Medium (CVSS 5.4): The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) accepts…

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