Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2020-6799

Command line arguments could have been injected during Firefox invocation as a shell handler for certain unsupported file types. This required Firefox to be configured as the default handler for a given file type and for a file downloaded to be opened in a third party application that insufficiently sanitized URL data. In that situation, clicking a link in the third party application could have been used to retrieve and execute files whose location was supplied through command line arguments. Note: This issue only affects Windows operating systems and when Firefox is configured as the default handler for non-default filetypes. Other operating systems are unaffected. This vulnerability affects Firefox < 73 and Firefox < ESR68.5.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 63.8%
CVSS Severity
CVSS v3 Score 8.8
CVSS v2 Score 5.1
Products affected by CVE-2020-6799


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