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CVE-2020-12389

Date: May 26, 2020

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.

Severity Score

Related Resources (7)

https://www.mozilla.org/security/advisories/mfsa2020-17/
https://access.redhat.com/security/cve/CVE-2020-12389
https://nvd.nist.gov/vuln/detail/CVE-2020-12389
https://bugzilla.mozilla.org/show_bug.cgi?id=1554110
https://security.alpinelinux.org/vuln/CVE-2020-12389
https://www.mozilla.org/security/advisories/mfsa2020-16/
https://www.mend.io/vulnerability-database/CVE-2020-12389

Severity Score

Weakness Type (CWE)

Input Validation

CWE-20

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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