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CVE

CVE-2020-15677

By exploiting an Open Redirect vulnerability on a website, an attacker could have spoofed the site displayed in the down

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.

MEDIUM · CVSS 6.1 EPSS 0.00527
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-601URL Redirection to Untrusted Site ('Open Redirect')
▤

Affected Products & Versions

5
mozilla firefox< 81.0
mozilla firefox esr< 78.3
mozilla thunderbird< 78.3
debian linuxall versions
opensuse leapall versions
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighSQLite Firefox Profile Data DB Access
▣

Scoring & Timeline

6.1
MEDIUM · CVSS v3.1 · security@mozilla.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD01 Oct 2020 · 07:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
⚑

Vendor Advisories

24
suse-csafopenSUSE-SU-2024:14572-1
suse-csafopenSUSE-SU-2024:10600-1
suse-csafopenSUSE-SU-2024:10601-1
suse-csafopenSUSE-SU-2020:1785-1
suse-csafopenSUSE-SU-2020:1780-1
🔗

References & Sources

9
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00074.htmlBroken LinkMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00077.htmlBroken LinkMailing ListThird Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1641487Issue TrackingPermissions RequiredVendor Advisory
https://lists.debian.org/debian-lts-announce/2020/10/msg00020.htmlMailing ListThird Party Advisory
https://security.gentoo.org/glsa/202010-02Third Party Advisory
https://www.debian.org/security/2020/dsa-4770Third Party Advisory
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