VDB
CVE-2021-38788
CVE-2021-38788
PUBLISHED
CVSS 7.5 HIGH
The Background service in Allwinner R818 SoC Android Q SDK V1.0 is used to manage background applications. Malicious apps can use the interface provided by the service to set the number of applications allowed to run in the background to 0 and add themselves to the whitelist, so that once other applications enter the background, they will be forcibly stopped by the system, causing a denial of service.
EPSS 1.68% · 75.8th percentile
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
1.68%
75.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| allwinnertech | android_q_sdk | 1.0 |
| n/a | n/a | * |
Timeline
- Jan 19, 2022 CVE Published
- Jan 20, 2022 EPSS Score
- Mar 14, 2022 EPSS Score
- May 7, 2022 EPSS Score
- Jun 29, 2022 EPSS Score
- Aug 23, 2022 EPSS Score
- Oct 15, 2022 EPSS Score
- Dec 7, 2022 EPSS Score
- Jan 30, 2023 EPSS Score
- Mar 24, 2023 EPSS Score
- May 17, 2023 EPSS Score
- Jul 9, 2023 EPSS Score
References
- https://www.allwinnertech.com/index.php?c=product&a=index&id=92 url
- https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9Abackground%20service%20has%20EoP%20Vulnerability.md url
- https://www.cnvd.org.cn/flaw/show/CNVD-2021-46928 url
- https://vul.wangan.com/a/CNVD-2021-46928 url
- https://nvd.nist.gov/vuln/detail/CVE-2021-38788 advisory