CVE-2022-20021 — MEDIUM (6.5)

Vulnerability 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.

CVSS Score

6.5

MEDIUM

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

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Google	Android	10.0
Mediatek	Awus036Nh	-
Mediatek	Mt6580	-
Mediatek	Mt6630	-
Mediatek	Mt6735	-
Mediatek	Mt6737	-
Mediatek	Mt6739	-
Mediatek	Mt6750S	-
Mediatek	Mt6753	-
Mediatek	Mt6755S	-
Mediatek	Mt6757	-
Mediatek	Mt6757C	-
Mediatek	Mt6757Cd	-
Mediatek	Mt6757Ch	-
Mediatek	Mt6763	-
Mediatek	Mt6771	-
Mediatek	Mt7662T	-
Mediatek	Mt7663	-
Mediatek	Mt7668	-
Mediatek	Mt8163	-

References

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

FAQ

What is CVE-2022-20021?

CVE-2022-20021 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 bluetoot...

How severe is CVE-2022-20021?

CVE-2022-20021 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-20021?

Check the references section above for vendor advisories and patch information. Affected products include: Google Android, Mediatek Awus036Nh, Mediatek Mt6580, Mediatek Mt6630, Mediatek Mt6735.