// For flags

CVE-2022-20021

 

Severity Score

6.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

En Bluetooth, se presenta un posible bloqueo de la aplicación debido a que bluetooth no maneja apropiadamente la recepción de múltiples LMP_host_connection_req. Esto podría conllevar a una denegación de servicio remota de bluetooth sin ser necesarios privilegios de ejecución adicionales. No es requerida una interacción del usuario para su explotación. ID del Parche: ALPS06198513; ID de Incidencia: ALPS06198513

*Credits: N/A
CVSS Scores
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Adjacent
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-10-12 CVE Reserved
  • 2022-01-04 CVE Published
  • 2023-03-08 EPSS Updated
  • 2024-08-03 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
CAPEC
References (1)
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
10.0
Search vendor "Google" for product "Android" and version "10.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Awus036nh
Search vendor "Mediatek" for product "Awus036nh"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
10.0
Search vendor "Google" for product "Android" and version "10.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt6580
Search vendor "Mediatek" for product "Mt6580"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
10.0
Search vendor "Google" for product "Android" and version "10.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt6630
Search vendor "Mediatek" for product "Mt6630"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
10.0
Search vendor "Google" for product "Android" and version "10.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt6735
Search vendor "Mediatek" for product "Mt6735"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
10.0
Search vendor "Google" for product "Android" and version "10.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt6737
Search vendor "Mediatek" for product "Mt6737"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
10.0
Search vendor "Google" for product "Android" and version "10.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt6739
Search vendor "Mediatek" for product "Mt6739"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
10.0
Search vendor "Google" for product "Android" and version "10.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt6750s
Search vendor "Mediatek" for product "Mt6750s"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
10.0
Search vendor "Google" for product "Android" and version "10.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt6753
Search vendor "Mediatek" for product "Mt6753"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
10.0
Search vendor "Google" for product "Android" and version "10.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt6755s
Search vendor "Mediatek" for product "Mt6755s"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
10.0
Search vendor "Google" for product "Android" and version "10.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt6757
Search vendor "Mediatek" for product "Mt6757"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
10.0
Search vendor "Google" for product "Android" and version "10.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt6757c
Search vendor "Mediatek" for product "Mt6757c"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
10.0
Search vendor "Google" for product "Android" and version "10.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt6757cd
Search vendor "Mediatek" for product "Mt6757cd"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
10.0
Search vendor "Google" for product "Android" and version "10.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt6757ch
Search vendor "Mediatek" for product "Mt6757ch"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
10.0
Search vendor "Google" for product "Android" and version "10.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt6763
Search vendor "Mediatek" for product "Mt6763"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
10.0
Search vendor "Google" for product "Android" and version "10.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt6771
Search vendor "Mediatek" for product "Mt6771"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
10.0
Search vendor "Google" for product "Android" and version "10.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt7662t
Search vendor "Mediatek" for product "Mt7662t"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
10.0
Search vendor "Google" for product "Android" and version "10.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt7663
Search vendor "Mediatek" for product "Mt7663"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
10.0
Search vendor "Google" for product "Android" and version "10.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt7668
Search vendor "Mediatek" for product "Mt7668"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
10.0
Search vendor "Google" for product "Android" and version "10.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt8163
Search vendor "Mediatek" for product "Mt8163"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
10.0
Search vendor "Google" for product "Android" and version "10.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt8167
Search vendor "Mediatek" for product "Mt8167"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
10.0
Search vendor "Google" for product "Android" and version "10.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt8167s
Search vendor "Mediatek" for product "Mt8167s"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
10.0
Search vendor "Google" for product "Android" and version "10.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt8173
Search vendor "Mediatek" for product "Mt8173"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
10.0
Search vendor "Google" for product "Android" and version "10.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt8183
Search vendor "Mediatek" for product "Mt8183"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
10.0
Search vendor "Google" for product "Android" and version "10.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt8321
Search vendor "Mediatek" for product "Mt8321"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
10.0
Search vendor "Google" for product "Android" and version "10.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt8362a
Search vendor "Mediatek" for product "Mt8362a"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
10.0
Search vendor "Google" for product "Android" and version "10.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt8362b
Search vendor "Mediatek" for product "Mt8362b"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
10.0
Search vendor "Google" for product "Android" and version "10.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt8385
Search vendor "Mediatek" for product "Mt8385"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
10.0
Search vendor "Google" for product "Android" and version "10.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt8765
Search vendor "Mediatek" for product "Mt8765"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
10.0
Search vendor "Google" for product "Android" and version "10.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt8788
Search vendor "Mediatek" for product "Mt8788"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
11.0
Search vendor "Google" for product "Android" and version "11.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Awus036nh
Search vendor "Mediatek" for product "Awus036nh"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
11.0
Search vendor "Google" for product "Android" and version "11.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt6580
Search vendor "Mediatek" for product "Mt6580"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
11.0
Search vendor "Google" for product "Android" and version "11.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt6630
Search vendor "Mediatek" for product "Mt6630"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
11.0
Search vendor "Google" for product "Android" and version "11.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt6735
Search vendor "Mediatek" for product "Mt6735"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
11.0
Search vendor "Google" for product "Android" and version "11.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt6737
Search vendor "Mediatek" for product "Mt6737"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
11.0
Search vendor "Google" for product "Android" and version "11.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt6739
Search vendor "Mediatek" for product "Mt6739"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
11.0
Search vendor "Google" for product "Android" and version "11.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt6750s
Search vendor "Mediatek" for product "Mt6750s"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
11.0
Search vendor "Google" for product "Android" and version "11.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt6753
Search vendor "Mediatek" for product "Mt6753"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
11.0
Search vendor "Google" for product "Android" and version "11.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt6755s
Search vendor "Mediatek" for product "Mt6755s"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
11.0
Search vendor "Google" for product "Android" and version "11.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt6757
Search vendor "Mediatek" for product "Mt6757"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
11.0
Search vendor "Google" for product "Android" and version "11.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt6757c
Search vendor "Mediatek" for product "Mt6757c"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
11.0
Search vendor "Google" for product "Android" and version "11.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt6757cd
Search vendor "Mediatek" for product "Mt6757cd"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
11.0
Search vendor "Google" for product "Android" and version "11.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt6757ch
Search vendor "Mediatek" for product "Mt6757ch"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
11.0
Search vendor "Google" for product "Android" and version "11.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt6763
Search vendor "Mediatek" for product "Mt6763"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
11.0
Search vendor "Google" for product "Android" and version "11.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt6771
Search vendor "Mediatek" for product "Mt6771"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
11.0
Search vendor "Google" for product "Android" and version "11.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt7662t
Search vendor "Mediatek" for product "Mt7662t"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
11.0
Search vendor "Google" for product "Android" and version "11.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt7663
Search vendor "Mediatek" for product "Mt7663"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
11.0
Search vendor "Google" for product "Android" and version "11.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt7668
Search vendor "Mediatek" for product "Mt7668"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
11.0
Search vendor "Google" for product "Android" and version "11.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt8163
Search vendor "Mediatek" for product "Mt8163"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
11.0
Search vendor "Google" for product "Android" and version "11.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt8167
Search vendor "Mediatek" for product "Mt8167"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
11.0
Search vendor "Google" for product "Android" and version "11.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt8167s
Search vendor "Mediatek" for product "Mt8167s"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
11.0
Search vendor "Google" for product "Android" and version "11.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt8173
Search vendor "Mediatek" for product "Mt8173"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
11.0
Search vendor "Google" for product "Android" and version "11.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt8183
Search vendor "Mediatek" for product "Mt8183"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
11.0
Search vendor "Google" for product "Android" and version "11.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt8321
Search vendor "Mediatek" for product "Mt8321"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
11.0
Search vendor "Google" for product "Android" and version "11.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt8362a
Search vendor "Mediatek" for product "Mt8362a"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
11.0
Search vendor "Google" for product "Android" and version "11.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt8362b
Search vendor "Mediatek" for product "Mt8362b"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
11.0
Search vendor "Google" for product "Android" and version "11.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt8385
Search vendor "Mediatek" for product "Mt8385"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
11.0
Search vendor "Google" for product "Android" and version "11.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt8765
Search vendor "Mediatek" for product "Mt8765"
--
Safe
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
11.0
Search vendor "Google" for product "Android" and version "11.0"
-
Affected
in Mediatek
Search vendor "Mediatek"
Mt8788
Search vendor "Mediatek" for product "Mt8788"
--
Safe