Medium severity6.1NVD Advisory· Published Oct 1, 2020· Updated Jun 17, 2026
CVE-2020-15677
CVE-2020-15677
Description
By exploiting an Open Redirect vulnerability on a website, an attacker could have spoofed the site displayed in the download file dialog to show the original site (the one suffering from the open redirect) rather than the site the file was actually downloaded from. This vulnerability affects Firefox < 81, Thunderbird < 78.3, and Firefox ESR < 78.3.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
46unspecified+ 4 more
- (no CPE)range: unspecified
- (no CPE)range: unspecified
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*range: <81.0
- cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*range: <78.3
- (no CPE)range: <81
unspecified+ 2 more
- (no CPE)range: unspecified
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*range: <78.3
- (no CPE)range: <78.3
- osv-coords34 versionspkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/mozilla-nspr&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweedpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP2pkg:rpm/suse/MozillaFirefox&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%207pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP1pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP2pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Enterprise%20Storage%205pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweedpkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%209pkg: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%20Module%20for%20Desktop%20Applications%2015%20SP1pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/mozilla-nspr&distro=openSUSE%20Leap%2015.1
< 78.3.0-lp152.2.21.1+ 33 more
- (no CPE)range: < 78.3.0-lp152.2.21.1
- (no CPE)range: < 78.4.0-lp152.2.13.1
- (no CPE)range: < 4.25.1-lp152.2.3.1
- (no CPE)range: < 78.4.0-lp151.2.53.1
- (no CPE)range: < 91.1.1-1.1
- (no CPE)range: < 128.5.1-1.1
- (no CPE)range: < 78.3.0-112.22.1
- (no CPE)range: < 78.3.0-112.22.1
- (no CPE)range: < 78.3.0-8.6.1
- (no CPE)range: < 78.3.0-112.22.1
- (no CPE)range: < 78.3.0-112.22.1
- (no CPE)range: < 78.3.0-112.22.1
- (no CPE)range: < 78.3.0-112.22.1
- (no CPE)range: < 78.3.0-112.22.1
- (no CPE)range: < 78.3.0-112.22.1
- (no CPE)range: < 78.3.0-112.22.1
- (no CPE)range: < 78.3.0-112.22.1
- (no CPE)range: < 4.25.1-3.15.2
- (no CPE)range: < 78.3.0-112.22.1
- (no CPE)range: < 78.4.0-3.99.1
- (no CPE)range: < 78.4.0-3.99.1
- (no CPE)range: < 78.3.0-78.93.1
- (no CPE)range: < 78.3.0-112.22.1
- (no CPE)range: < 78.3.0-112.22.1
- (no CPE)range: < 78.3.0-112.22.1
- (no CPE)range: < 78.3.0-112.22.1
- (no CPE)range: < 4.25.1-3.15.2
- (no CPE)range: < 92.0-1.2
- (no CPE)range: < 78.3.0-112.22.1
- (no CPE)range: < 78.3.0-112.22.1
- (no CPE)range: < 78.3.0-112.22.1
- (no CPE)range: < 78.3.0-3.108.1
- (no CPE)range: < 78.3.0-lp151.2.69.1
- (no CPE)range: < 4.25.1-lp151.2.13.1
Patches
Vulnerability mechanics
References
9- lists.opensuse.org/opensuse-security-announce/2020-10/msg00074.htmlnvdBroken LinkMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-10/msg00077.htmlnvdBroken LinkMailing ListThird Party Advisory
- bugzilla.mozilla.org/show_bug.cginvdIssue TrackingPermissions RequiredVendor Advisory
- lists.debian.org/debian-lts-announce/2020/10/msg00020.htmlnvdMailing ListThird Party Advisory
- security.gentoo.org/glsa/202010-02nvdThird Party Advisory
- www.debian.org/security/2020/dsa-4770nvdThird Party Advisory
- www.mozilla.org/security/advisories/mfsa2020-42/nvdRelease NotesVendor Advisory
- www.mozilla.org/security/advisories/mfsa2020-43/nvdRelease NotesVendor Advisory
- www.mozilla.org/security/advisories/mfsa2020-44/nvdRelease NotesVendor Advisory
News mentions
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