What is CVE-2020-0099?

CVE-2020-0099 is a high-severity vulnerability in Google Android, classified under Initialization of a Resource with an Insecure Default. CVSS score: 7.8/10. Published 2020-12-14.

How severe is CVE-2020-0099?

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

Is CVE-2020-0099 known to be exploited?

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

RCE in Google Android

CVE-2020-0099

In addWindow of WindowManagerService.java, there is a possible window overlay attack due to an insecure default value. This could lead to local escalation of privilege via tapjacking with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-8.0 Android-8.1 Android-9 Android-10Android ID: A-141745510

EPSS: 0.005 (41.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Google Android — versions 8.0, 8.1, 9.0
N/a Android — versions Android-8.0 Android-8.1 Android-9 Android-10

Weakness classification (CWE)

CWE-1188 — Initialization of a Resource with an Insecure Default

Public proof-of-concept exploits

TinyNiko/android_

References

security@android.com (Patch, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2020-0099?: CVE-2020-0099 is a high-severity vulnerability in Google Android, classified under Initialization of a Resource with an Insecure Default. CVSS score: 7.8/10. Published 2020-12-14.
How severe is CVE-2020-0099?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2020-0099 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.