What is CVE-2020-15650?

CVE-2020-15650 is a medium-severity vulnerability in Google Android. CVSS score: 5.5/10. Published 2020-08-10.

How severe is CVE-2020-15650?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Google Android

CVE-2020-15650

Given an installed malicious file picker application, an attacker was able to overwrite local files and thus overwrite Firefox settings (but not access the previous profile). *Note: This issue only affected Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox ESR < 68.11.

Published 2020-08-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.006 (48.6th percentile), scored 2026-10-05.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Google Android
Mozilla Firefox Esr — versions unspecified
Mozilla Firefox Esr

References

www.mozilla.org/security/advisories/mfsa2020-31/ (Vendor Advisory)
bugzilla.mozilla.org/show_bug.cgi (Issue Tracking)

Frequently asked questions

What is CVE-2020-15650?: CVE-2020-15650 is a medium-severity vulnerability in Google Android. CVSS score: 5.5/10. Published 2020-08-10.
How severe is CVE-2020-15650?: Medium severity. CVSS v3 base score is 5.5 out of 10.