What is CVE-2020-0003?

CVE-2020-0003 is a medium-severity vulnerability in Google Android, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 6.7/10. Published 2020-01-08.

How severe is CVE-2020-0003?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Is CVE-2020-0003 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-2020-0003

In onCreate of InstallStart.java, there is a possible package validation bypass due to a time-of-check time-of-use vulnerability. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android Versions: Android-8.0 Android ID: A-140195904

Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)

EPSS: 0.001 (3.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H.

Affected products

Google Android — versions 8.0
N/a Android — versions Android-8.0

Weakness classification (CWE)

CWE-367 — Time-of-check Time-of-use (TOCTOU) Race Condition

Public proof-of-concept exploits

References

security@android.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2020-0003?: CVE-2020-0003 is a medium-severity vulnerability in Google Android, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 6.7/10. Published 2020-01-08.
How severe is CVE-2020-0003?: Medium severity. CVSS v3 base score is 6.7 out of 10.
Is CVE-2020-0003 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.