In onCreate of CertInstaller.java, there is a possible way to overlay the Certificate Installation dialog by a malicious application.

published 2020-02-13 6y ago modified 2026-06-17 4mo ago also EUVD-2020-1523

cvss: 7.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 5%
public exploits: 0; none known

In onCreate of CertInstaller.java, there is a possible way to overlay the Certificate Installation dialog by a malicious application. This could lead to local escalation of privilege 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-139017101

Patch / fix

links 1

source.android.com/security/bulletin/2020-02-01 advisory

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Exploit prediction

0.17% chance of exploitation in the next 30 days, higher than 5% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	2.0	4.4	AV:L/AC:M/Au:N/C:P/I:P/A:P

Affected products

n/a Android

References

source.android.com /security/bulletin/2020-02-01
patch, vendor-advisory

Sources

CVE List CVE-2020-0015
NVD CVE-2020-0015

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