CVE-2021-23971

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

When processing a redirect with a conflicting Referrer-Policy, Firefox would have adopted the redirect's Referrer-Policy. This would have potentially resulted in more information than intended by the original origin being provided to the destination of the redirect. This vulnerability affects Firefox < 86.

Metrics

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

Affected software

No affected versions have been published.

Timeline

Published
Feb 26, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-23971: Medium severity, CVSS 6.5 | Vulnix