High severity8.8NVD Advisory· Published Jan 7, 2021· Updated Jun 17, 2026
CVE-2020-35112
CVE-2020-35112
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
35<84+ 2 more
- (no CPE)range: <84
- (no CPE)range: unspecified
- (no CPE)range: unspecified
<78.6+ 1 more
- (no CPE)range: <78.6
- (no CPE)range: unspecified
- osv-coords30 versionspkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Tumbleweedpkg:rpm/suse/MozillaFirefox&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Enterprise%20Storage%205pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP1pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP2pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%207pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP1pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP2
< 128.5.1-1.1+ 29 more
- (no CPE)range: < 128.5.1-1.1
- (no CPE)range: < 78.6.0-lp151.2.82.1
- (no CPE)range: < 78.6.0-lp152.2.34.1
- (no CPE)range: < 92.0-1.2
- (no CPE)range: < 78.6.0-lp151.2.63.1
- (no CPE)range: < 78.6.0-lp152.2.23.1
- (no CPE)range: < 91.1.1-1.1
- (no CPE)range: < 78.6.0-112.39.1
- (no CPE)range: < 78.6.0-112.39.1
- (no CPE)range: < 78.6.0-3.122.1
- (no CPE)range: < 78.6.0-8.20.2
- (no CPE)range: < 78.6.0-78.108.1
- (no CPE)range: < 78.6.0-112.39.1
- (no CPE)range: < 78.6.0-112.39.1
- (no CPE)range: < 78.6.0-112.39.1
- (no CPE)range: < 78.6.0-112.39.1
- (no CPE)range: < 78.6.0-112.39.1
- (no CPE)range: < 78.6.0-112.39.1
- (no CPE)range: < 78.6.0-112.39.1
- (no CPE)range: < 78.6.0-112.39.1
- (no CPE)range: < 78.6.0-112.39.1
- (no CPE)range: < 78.6.0-112.39.1
- (no CPE)range: < 78.6.0-112.39.1
- (no CPE)range: < 78.6.0-112.39.1
- (no CPE)range: < 78.6.0-112.39.1
- (no CPE)range: < 78.6.0-112.39.1
- (no CPE)range: < 78.6.0-112.39.1
- (no CPE)range: < 78.6.0-112.39.1
- (no CPE)range: < 78.6.0-3.113.1
- (no CPE)range: < 78.6.0-8.3.1
Patches
Vulnerability mechanics
References
4- www.mozilla.org/security/advisories/mfsa2020-54/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2020-55/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2020-56/nvdVendor Advisory
- bugzilla.mozilla.org/show_bug.cginvdPermissions Required
News mentions
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