VDB

CVE-2017-7821

CVE-2017-7821 PUBLISHED

A vulnerability where WebExtensions can download and attempt to open a file of some non-executable file types. This can be triggered without specific user interaction for the file download and open actions. This could be used to trigger known vulnerabilities in the programs that handle those document types. This vulnerability affects Firefox < 56.

EPSS 2.59% · 85.9th percentile

Risk Scores

EPSS Score
2.59%
85.9th percentile

Affected Products

VendorProductVersions
Ubuntu:16.04:LTSfirefox0, 42.0+build2-0ubuntu1, 44.0.1+build1-0ubuntu1
Ubuntu:18.04:LTSfirefox0
Ubuntu:14.04:LTSfirefox44.0.2+build1-0ubuntu0.14.04.1, 45.0+build2-0ubuntu0.14.04.1, 45.0.1+build1-0ubuntu0.14.04.2

Timeline

  • Sep 29, 2017 PoC Published
  • Oct 2, 2017 CVE Published
  • Apr 14, 2021 EPSS Score
  • Jun 23, 2021 EPSS Score
  • Aug 24, 2021 EPSS Score
  • Dec 27, 2021 EPSS Score
  • Feb 28, 2022 EPSS Score
  • May 2, 2022 EPSS Score
  • Jul 3, 2022 EPSS Score
  • Sep 5, 2022 EPSS Score
  • Nov 6, 2022 EPSS Score
  • Mar 11, 2023 EPSS Score
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