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CVE
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CVE-2020-6809Date: (C)2020-03-31   (M)2024-03-27


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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 7.5CVSS Score : 5.0
Exploit Score: 3.9Exploit Score: 10.0
Impact Score: 3.6Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: NONEAuthentication: NONE
User Interaction: NONEConfidentiality: PARTIAL
Scope: UNCHANGEDIntegrity: NONE
Confidentiality: HIGHAvailability: NONE
Integrity: NONE 
Availability: NONE 
  
Reference:
https://bugzilla.mozilla.org/show_bug.cgi?id=1420296
https://www.mozilla.org/security/advisories/mfsa2020-08/

CPE    1
cpe:/a:mozilla:firefox
CWE    1
CWE-200
OVAL    6
oval:org.secpod.oval:def:62247
oval:org.secpod.oval:def:61952
oval:org.secpod.oval:def:61959
oval:org.secpod.oval:def:705402
...

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