CVE-2022-20021
First published: Tue Jan 04 2022(Updated: )
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.
Credit: security@mediatek.com security@mediatek.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Android | =10.0 | |
| Android | =11.0 | |
| Mediatek Awus036nh Firmware | ||
| Mediatek MT6580 | ||
| MediaTek MT6630 | ||
| MediaTek MT6735 | ||
| MediaTek MT6737 | ||
| MediaTek MT6739 | ||
| MediaTek MT6750 | ||
| MediaTek MT6753 | ||
| MediaTek MT6755 | ||
| MediaTek MT6757 | ||
| MediaTek MT6757C | ||
| MediaTek MT6757CD | ||
| MediaTek MT6757CH | ||
| MediaTek MT6763 | ||
| MediaTek MT6771 | ||
| MediaTek MT7662T | ||
| MediaTek MT7663 Firmware | ||
| MediaTek MT7668 Firmware | ||
| MediaTek MT8163 Android | ||
| Mediatek MT8167 | ||
| MediaTek MT8167S Firmware | ||
| MediaTek MT8173 | ||
| MediaTek MT8183 | ||
| MediaTek MT8321 | ||
| MediaTek MT8362A Firmware | ||
| MediaTek MT8362B | ||
| MediaTek MT8385 Firmware | ||
| MediaTek MT8765 | ||
| MediaTek MT8788 Firmware | ||
| All of | ||
| Any of | ||
| Android | =10.0 | |
| Android | =11.0 | |
| Any of | ||
| Mediatek Awus036nh Firmware | ||
| Mediatek MT6580 | ||
| MediaTek MT6630 | ||
| MediaTek MT6735 | ||
| MediaTek MT6737 | ||
| MediaTek MT6739 | ||
| MediaTek MT6750 | ||
| MediaTek MT6753 | ||
| MediaTek MT6755 | ||
| MediaTek MT6757 | ||
| MediaTek MT6757C | ||
| MediaTek MT6757CD | ||
| MediaTek MT6757CH | ||
| MediaTek MT6763 | ||
| MediaTek MT6771 | ||
| MediaTek MT7662T | ||
| MediaTek MT7663 Firmware | ||
| MediaTek MT7668 Firmware | ||
| MediaTek MT8163 Android | ||
| Mediatek MT8167 | ||
| MediaTek MT8167S Firmware | ||
| MediaTek MT8173 | ||
| MediaTek MT8183 | ||
| MediaTek MT8321 | ||
| MediaTek MT8362A Firmware | ||
| MediaTek MT8362B | ||
| MediaTek MT8385 Firmware | ||
| MediaTek MT8765 | ||
| MediaTek MT8788 Firmware |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Frequently Asked Questions
What is CVE-2022-20021?
CVE-2022-20021 is a vulnerability in Bluetooth that could lead to a remote denial of service attack.
How does CVE-2022-20021 affect Android devices?
CVE-2022-20021 affects Android devices running version 10.0 and 11.0.
Is user interaction required to exploit CVE-2022-20021?
No, user interaction is not needed for exploitation of CVE-2022-20021.
What is the severity of CVE-2022-20021?
CVE-2022-20021 has a severity rating of 6.5, which is considered medium.
How can I fix CVE-2022-20021 on my Android device?
To fix CVE-2022-20021 on your Android device, you should apply the latest security patches provided by your device manufacturer.
- agent/type
- agent/references
- agent/severity
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/first-publish-date
- agent/last-modified-date
- agent/author
- agent/event
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- vendor/google
- canonical/android
- version/android/10.0
- version/android/11.0
- vendor/mediatek
- canonical/mediatek awus036nh firmware
- canonical/mediatek mt6580
- canonical/mediatek mt6630
- canonical/mediatek mt6735
- canonical/mediatek mt6737
- canonical/mediatek mt6739
- canonical/mediatek mt6750
- canonical/mediatek mt6753
- canonical/mediatek mt6755
- canonical/mediatek mt6757
- canonical/mediatek mt6757c
- canonical/mediatek mt6757cd
- canonical/mediatek mt6757ch
- canonical/mediatek mt6763
- canonical/mediatek mt6771
- canonical/mediatek mt7662t
- canonical/mediatek mt7663 firmware
- canonical/mediatek mt7668 firmware
- canonical/mediatek mt8163 android
- canonical/mediatek mt8167
- canonical/mediatek mt8167s firmware
- canonical/mediatek mt8173
- canonical/mediatek mt8183
- canonical/mediatek mt8321
- canonical/mediatek mt8362a firmware
- canonical/mediatek mt8362b
- canonical/mediatek mt8385 firmware
- canonical/mediatek mt8765
- canonical/mediatek mt8788 firmware