Vulnerability in Mozilla Firefox

CVE-2018-5165

In 32-bit versions of Firefox, the Adobe Flash plugin setting for "Enable Adobe Flash protected mode" is unchecked by default even though the Adobe Flash sandbox is actually enabled. The displayed state is the reverse of the true setting, resulting in user confusion. This could cause users to select this setting intending to activate it and inadvertently turn protections off. This vulnerability affects Firefox < 60.

EPSS: 0.017 (74.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

References

Frequently asked questions

What is CVE-2018-5165?
CVE-2018-5165 is a medium-severity vulnerability in Mozilla Firefox. CVSS score: 5.3/10. Published 2018-06-11.
How severe is CVE-2018-5165?
Medium severity. CVSS v3 base score is 5.3 out of 10.