Auth bypass in Allwinnertech Android Q Sdk
CVE-2021-38789
Allwinner R818 SoC Android Q SDK V1.0 is affected by an incorrect access control vulnerability that does not check the caller's permission, in which a third-party app could change system settings.
Vulnerability class: Broken Access Control
EPSS: 0.013 (67.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Allwinnertech Android_q_sdk — versions 1.0
- Allwinnertech R818
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Product, x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (x_refsource_MISC, Broken Link)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-38789?
- CVE-2021-38789 is a high-severity vulnerability in Allwinnertech Android Q Sdk, classified under Missing Authorization. CVSS score: 7.5/10. Published 2022-01-19.
- How severe is CVE-2021-38789?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-38789 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.