CVEvulnerability

CVE-2020-26977

6.5 MEDIUM Published 2021-01-07 Modified 2026-08-19 Official page ↗
Status
Modified
Published
2021-01-07
Last modified
2026-08-19
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CVSS 2.0 ([email protected])
4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:P/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.

Affected configurations

• mozilla firefox mobile (< 84.0)

References