cbcvebase.
CVE-2020-12415
published 2020-07-09

CVE-2020-12415: When "%2F" was present in a manifest URL, Firefox's AppCache behavior may have become confused and allowed a manifest to be served from a subdirectory. This…

PriorityP430medium6.5CVSS 3.1
AVNACLPRNUIRSUCNIHAN
EPSS
1.27%
66.3th percentile
When "%2F" was present in a manifest URL, Firefox's AppCache behavior may have become confused and allowed a manifest to be served from a subdirectory. This could cause the appcache to be used to service requests for the top level directory. This vulnerability affects Firefox < 78.

Affected

11 ranges
VendorProductVersion rangeFixed in
debianfirefox< firefox 78.0-1 (sid)firefox 78.0-1 (sid)
mozillafirefox< 78.078.0
mozillafirefox
mozillafirefox>= 0 < 78.0.1+build1-0ubuntu0.16.04.178.0.1+build1-0ubuntu0.16.04.1
mozillafirefox>= 0 < 78.0.1+build1-0ubuntu0.18.04.178.0.1+build1-0ubuntu0.18.04.1
mozillafirefox>= 0 < 78.0.1+build1-0ubuntu0.20.04.178.0.1+build1-0ubuntu0.20.04.1
mozillafirefox>= unspecified < 7878
mozillathunderbird>= 0 < 1:78.8.1+build1-0ubuntu0.18.04.11:78.8.1+build1-0ubuntu0.18.04.1
mozillathunderbird>= 0 < 1:78.7.1+build1-0ubuntu0.20.04.11:78.7.1+build1-0ubuntu0.20.04.1
opensuseleap
opensuseleap

CVSS provenance

nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
osv6.5MEDIUM
vendor_debian6.5MEDIUM
vendor_redhat6.5MEDIUM
vendor_ubuntu6.5MEDIUM
vendor_oracle5.5MEDIUM
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