What is CVE-2020-12408?

CVE-2020-12408 is a medium-severity vulnerability in Mozilla Firefox. CVSS score: 6.5/10. Published 2020-07-09.

How severe is CVE-2020-12408?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Mozilla Firefox

CVE-2020-12408

When browsing a document hosted on an IP address, an attacker could insert certain characters to flip domain and path information in the address bar. This vulnerability affects Firefox < 77.

EPSS: 0.008 (53.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/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-2020-12408?: CVE-2020-12408 is a medium-severity vulnerability in Mozilla Firefox. CVSS score: 6.5/10. Published 2020-07-09.
How severe is CVE-2020-12408?: Medium severity. CVSS v3 base score is 6.5 out of 10.