How severe is CVE-2020-0479?

CVE-2020-0479 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-0479 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-0479?

CVE-2020-0479 affects Google Android. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-0479?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-0479 published?

CVE-2020-0479 was published on 2020-12-15 and last updated on 2026-06-17.

CVE-2020-0479

CVE-2020-0479 is a high-severity vulnerability in Google Android with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Google Android
Published: 2020-12-15
Last modified: 2026-06-17

Description

In callUnchecked of DocumentsProvider.java, there is a possible permissions bypass. This could lead to local escalation of privilege allowing a malicious app to access files available to the DocumentProvider without user permission, with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-157294893

Frequently asked questions

What is CVE-2020-0479?: In callUnchecked of DocumentsProvider.java, there is a possible permissions bypass. This could lead to local escalation of privilege allowing a malicious app to access files available to the DocumentProvider without user permission, with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-157294893
How severe is CVE-2020-0479?: CVE-2020-0479 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-0479 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-0479?: CVE-2020-0479 affects Google Android. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-0479?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-0479 published?: CVE-2020-0479 was published on 2020-12-15 and last updated on 2026-06-17.

References

https://source.android.com/security/bulletin/pixel/2020-12-01

Affected products (1)

cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*

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