VULNERABILITY INTELLIGENCE

CVE-2020-26977

CVSS score6.5 MEDIUM
EPSS probability0.87%
CISA KEVNot currently listed
Published2021-01-07
Last modified2026-08-19
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Description

By attempting to connect a website using an unresponsive port, an attacker could have controlled the content of a tab while the URL bar displayed the original domain. *Note: This issue only affects Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 84.

Weakness classification

  • nvd@nist.gov: NVD-CWE-noinfo

Primary references