CVEvulnerability
CVE-2020-35112
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-01-07
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
Description
If a user downloaded a file lacking an extension on Windows, and then "Open"-ed it from the downloads panel, if there was an executable file in the downloads directory with the same name but with an executable extension (such as .bat or .exe) that executable would have been launched instead. *Note: This issue only affected Windows operating systems. Other operating systems are unaffected.*. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.
Affected configurations
• mozilla firefox (< 84.0)
• mozilla firefox esr (< 78.6.0)
• mozilla thunderbird (< 78.6.0)
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1661365 Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2020-54/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-55/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-56/ Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1661365 Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2020-54/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-55/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-56/ Vendor Advisory