What is CVE-2020-12412?

CVE-2020-12412 is a medium-severity vulnerability in Mozilla Firefox. CVSS score: 4.3/10. Published 2020-07-09.

How severe is CVE-2020-12412?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Mozilla Firefox

CVE-2020-12412

By navigating a tab using the history API, an attacker could cause the address bar to display the incorrect domain (with the https:// scheme, a blocked port number such as '1', and without a lock icon) while controlling the page contents. This vulnerability affects Firefox < 70.

EPSS: 0.008 (52.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

Mozilla Firefox — versions unspecified

References

security@mozilla.org (x_refsource_MISC, Vendor Advisory)
security@mozilla.org (Permissions Required, x_refsource_MISC, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2020-12412?: CVE-2020-12412 is a medium-severity vulnerability in Mozilla Firefox. CVSS score: 4.3/10. Published 2020-07-09.
How severe is CVE-2020-12412?: Medium severity. CVSS v3 base score is 4.3 out of 10.