What is CVE-2020-0203?

CVE-2020-0203 is a high-severity vulnerability in Google Android, classified under Improper Resource Shutdown or Release. CVSS score: 7.8/10. Published 2020-06-11.

How severe is CVE-2020-0203?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2020-0203 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Google Android

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

Published 2020-06-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (14.4th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 14.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Google Android — versions 10.0
Android — versions Android-10

Weakness classification (CWE)

CWE-404 — Improper Resource Shutdown or Release

Public proof-of-concept exploits

References

source.android.com/security/bulletin/pixel/2020-06-01 (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2020-0203?: CVE-2020-0203 is a high-severity vulnerability in Google Android, classified under Improper Resource Shutdown or Release. CVSS score: 7.8/10. Published 2020-06-11.
How severe is CVE-2020-0203?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2020-0203 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.