How severe is CVE-2020-0391?

CVE-2020-0391 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-0391 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-0391?

CVE-2020-0391 primarily affects Google Android. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-0391?

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-2020-0391 published?

CVE-2020-0391 was published on 2020-09-17 and last updated on 2026-06-17.

CVE-2020-0391

CVE-2020-0391 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.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Google Android
Published: 2020-09-17
Last modified: 2026-06-17

Description

In applyPolicy of PackageManagerService.java, there is possible arbitrary command execution as System due to an unenforced protected-broadcast. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11Android ID: A-158570769

Frequently asked questions

What is CVE-2020-0391?: In applyPolicy of PackageManagerService.java, there is possible arbitrary command execution as System due to an unenforced protected-broadcast. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11Android ID: A-158570769
How severe is CVE-2020-0391?: CVE-2020-0391 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-0391 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-0391?: CVE-2020-0391 primarily affects Google Android. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-0391?: 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-2020-0391 published?: CVE-2020-0391 was published on 2020-09-17 and last updated on 2026-06-17.

References

https://source.android.com/security/bulletin/2020-09-01

Affected products (2)

cpe:2.3:o:google:android:9.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:*

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