CVE-2020-15657

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

Firefox could be made to load attacker-supplied DLL files from the installation directory. This required an attacker that is already capable of placing files in the installation directory. *Note: This issue only affected Windows operating systems. Other operating systems are unaffected.*. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-427

Affected software

No affected versions have been published.

Timeline

Published: Aug 10, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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