How severe is CVE-2020-0203?

CVE-2020-0203 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-2020-0203 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-0203?

CVE-2020-0203 affects Google Android. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-0203?

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-2020-0203 published?

CVE-2020-0203 was published on 2020-06-11 and last updated on 2026-06-17.

CVE-2020-0203

CVE-2020-0203 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-404.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-404
Affected product: Google Android
Published: 2020-06-11
Last modified: 2026-06-17

Description

In freeIsolatedUidLocked of ProcessList.java, there is a possible UID reuse due to improper cleanup. This could lead to local escalation of privilege between constrained processes with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10Android ID: A-146313311

Frequently asked questions

What is CVE-2020-0203?: In freeIsolatedUidLocked of ProcessList.java, there is a possible UID reuse due to improper cleanup. This could lead to local escalation of privilege between constrained processes with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10Android ID: A-146313311
How severe is CVE-2020-0203?: CVE-2020-0203 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-2020-0203 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-0203?: CVE-2020-0203 affects Google Android. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-0203?: 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-2020-0203 published?: CVE-2020-0203 was published on 2020-06-11 and last updated on 2026-06-17.

References

https://source.android.com/security/bulletin/pixel/2020-06-01

Affected products (1)

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

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