Vulnerability Details : CVE-2022-20521
In sdpu_find_most_specific_service_uuid of sdp_utils.cc, there is a possible way to crash Bluetooth due to a missing null check. This could lead to local denial of service with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-227203684
Published
2022-12-16 16:15:17
Updated
2022-12-20 16:33:54
Vulnerability category: Denial of service
Products affected by CVE-2022-20521
- cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-20521
0.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 39 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-20521
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H |
1.3
|
3.6
|
NIST |
CWE ids for CVE-2022-20521
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2022-20521
-
https://source.android.com/security/bulletin/pixel/2022-12-01
Pixel Update Bulletin—December2022 | Android Open Source ProjectPatch;Vendor Advisory
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