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CVE-2020-6809 Details
Description
When a Web Extension had the all-urls permission and made a fetch request with a mode set to 'same-origin', it was possible for the Web Extension to read local files. This vulnerability affects Firefox < 74.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=1420296 | CVE | Permissions RequiredVendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2020-08/ | CVE | Vendor Advisory |
| https://bugzilla.mozilla.org/show_bug.cgi?id=1420296 | [email protected] | Permissions RequiredVendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2020-08/ | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| NVD-CWE-noinfo | Insufficient Information to Classify Weakness | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| mozilla firefox | < 74.0 |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Nov 21, 2024 | CVE Modified | CVE |
| May 14, 2024 | CVE Modified | [email protected] |
| Jul 21, 2021 | CWE Remap | [email protected] |
| Mar 30, 2020 | Initial Analysis | [email protected] |