by Kastro
Paper/Archive/CVE-2021-29971

CVE-2021-29971

Mozilla Firefox — If a user had granted a permission to a webpage and saved that grant, any webpage running on the same host - irrespective of scheme or po…

EPSS 1%CVSS 9.8
critical.is priorityof 100
42
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 63.5.635 × 2012.7No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

If a user had granted a permission to a webpage and saved that grant, any webpage running on the same host - irrespective of scheme or port - would be granted that permission. *This bug only affects Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 90.

Affected

ProductAffectedFixed inSource
Firefoxunspecified – < 9090CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

refmozilla.org/security/advisories/mfsa2021-28refbugzilla.mozilla.org/show_bug.cgi?id=1713638