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.
Published 2020-08-10 18:15:13
Updated 2020-08-14 17:29:48
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2020-15657

0.12%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 45 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-15657

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.9
MEDIUM AV:L/AC:M/Au:N/C:C/I:C/A:C
3.4
10.0
NIST
7.8
HIGH CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
1.8
5.9
NIST

CWE ids for CVE-2020-15657

  • The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-15657

Products affected by CVE-2020-15657

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