CVE-2021-38789

HIGHNVD 7.57.5—

7.5

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.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 57.0%
KEV: Not listed

Published

January 19, 2022

Last Modified

November 21, 2024

References (8)

cve@mitrehttps://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9Aaw_display%20service%20has%20EoP%20Vulnerability.md
cve@mitrehttps://vul.wangan.com/a/CNVD-2021-46927
cve@mitrehttps://www.allwinnertech.com/index.php?c=product&a=index&id=92
cve@mitrehttps://www.cnvd.org.cn/flaw/show/CNVD-2021-46927
af854a3a-2127-422b-91ae-364da2661108https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9Aaw_display%20service%20has%20EoP%20Vulnerability.md
af854a3a-2127-422b-91ae-364da2661108https://vul.wangan.com/a/CNVD-2021-46927
af854a3a-2127-422b-91ae-364da2661108https://www.allwinnertech.com/index.php?c=product&a=index&id=92
af854a3a-2127-422b-91ae-364da2661108https://www.cnvd.org.cn/flaw/show/CNVD-2021-46927

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-04 13:10 UTCepss_batch
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Frequently asked(5)

What is CVE-2021-38789?

CVE-2021-38789 is a high vulnerability published on January 19, 2022. 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.

When was CVE-2021-38789 disclosed?

CVE-2021-38789 was first published in the National Vulnerability Database on January 19, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-38789 actively exploited?

CVE-2021-38789 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 57.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-38789?

CVE-2021-38789 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2021-38789?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-38789, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2021-38789

📅 Published

🔄 Last Modified

🔗 References (8)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-38789?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (8)

Frequently asked(5)

Related CVEs(same CWE)