Published: 26/05/2020 Updated: 27/05/2020

CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10

CVSS v3 Base Score: 10 | Impact Score: 6 | Exploitability Score: 3.9

VMScore: 668

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

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.

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mozilla firefox_esr

Mozilla Foundation Security Advisory 2020-17 Security Vulnerabilities fixed in Firefox ESR 688 Announced May 5, 2020 Impact critical Products Firefox ESR Fixed in Firefox ESR 688 ...

Mozilla Foundation Security Advisory 2020-16 Security Vulnerabilities fixed in Firefox 76 Announced May 5, 2020 Impact critical Products Firefox Fixed in Firefox 76 ...

CWE-20 https://bugzilla.mozilla.org/show_bug.cgi?id=1554110 https://www.mozilla.org/security/advisories/mfsa2020-17/https://www.mozilla.org/security/advisories/mfsa2020-16/https://nvd.nist.gov https://www.mozilla.org/en-US/security/advisories/mfsa2020-17/

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CVE-2020-12389

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