CVE-2022-20021

Name: CVE-2022-20021
Creator: NVD / NIST
Published: 2022-01-04T16:15:10.6+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.27%

Last modified Jun 17, 2026

CVE-2022-20021 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. In Bluetooth, there is a possible application crash due to bluetooth does not properly handle the reception of multiple LMP_host_connection_req. This could lead to remote denial of service of bluetooth with no additional execution privileges needed. EPSS estimates a 0.27% chance of exploitation in the next 30 days.

Description

In Bluetooth, there is a possible application crash due to bluetooth does not properly handle the reception of multiple LMP_host_connection_req. This could lead to remote denial of service of bluetooth with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06198513; Issue ID: ALPS06198513.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.27%

18.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Google	Android	10.0
Google	Android	11.0

References

https://corp.mediatek.com/product-security-bulletin/January-2022Vendor Advisory
https://corp.mediatek.com/product-security-bulletin/January-2022Vendor Advisory

Timeline

Published: Jan 4, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-20021?

How severe is CVE-2022-20021?

CVE-2022-20021 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.

How do I fix CVE-2022-20021?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-20021?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST