CVE-2020-26977

MediumCVSS 6.5/10Last modified Aug 19, 2026

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.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Affected software

No affected versions have been published.

Timeline

Published
Jan 7, 2021
Last modified
Aug 19, 2026
NVD status
Modified

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CVE-2020-26977: Medium severity, CVSS 6.5 | Vulnix