Paper/Archive/CVE-2020-12389

CVE-2020-12389

Mozilla Firefox ESR — The Firefox content processes did not sufficiently lockdown access control which could result in a sandbox escape.

EPSS 2%CVSS 10.0

critical.is priorityof 100

CVSS 10.0 (NVD)10.0 / 10 × 3030.0 Not in CISA KEV+300.0 EPSS percentile 77.5.775 × 2015.5 No public exploit+100.0 SSVC exploitation: unknown+100.0

Description · from the CVE record

The Firefox content processes did not sufficiently lockdown access control which could result in a sandbox escape. *Note: this issue only affects Firefox on Windows operating systems.*. This vulnerability affects Firefox ESR < 68.8 and Firefox < 76.

Affected

ProductAffectedFixed inSource

Firefox ESRunspecified – < 68.868.8CNA

Firefoxunspecified – < 7676CNA

Scores by source

NVD10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

References

refmozilla.org/security/advisories/mfsa2020-16 refmozilla.org/security/advisories/mfsa2020-17 refbugzilla.mozilla.org/show_bug.cgi?id=1554110