VULNERABILITY INTELLIGENCE

CVE-2020-12390

CVSS score9.8 CRITICAL
EPSS probability1.62%
CISA KEVNot currently listed
Published2020-05-26
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

Incorrect origin serialization of URLs with IPv6 addresses could lead to incorrect security checks. This vulnerability affects Firefox < 76.

Weakness classification

  • nvd@nist.gov: CWE-502

Primary references