CVE-2020-12412

low-risk

Published 2020-07-09

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.

Do I need to act?

0.28% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 4.3/10 Medium

NETWORK / LOW complexity

Affected Products (1)

Firefox

Affected Vendors

Mozilla

References (4)

Issue Tracking https://bugzilla.mozilla.org/show_bug.cgi?id=1528587

Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2019-34/

Issue Tracking https://bugzilla.mozilla.org/show_bug.cgi?id=1528587

Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2019-34/

/ 100

low-risk

Severity 18/34 · Moderate

Exploitability 1/34 · Minimal

Exposure 5/34 · Minimal