cbcvebase.
CVE-2021-23998
published 2021-06-24

CVE-2021-23998: Through complicated navigations with new windows, an HTTP page could have inherited a secure lock icon from an HTTPS page. This vulnerability affects Firefox…

PriorityP428medium6.5CVSS 3.1
AVNACLPRNUIRSUCNIHAN
EPSS
0.55%
42.2th percentile
Through complicated navigations with new windows, an HTTP page could have inherited a secure lock icon from an HTTPS page. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.

Affected

19 ranges
VendorProductVersion rangeFixed in
debianfirefox< firefox 88.0-1 (sid)firefox 88.0-1 (sid)
debianfirefox-esr< firefox 88.0-1 (sid)firefox 88.0-1 (sid)
debianthunderbird< firefox 88.0-1 (sid)firefox 88.0-1 (sid)
mozillafirefox< 88.088.0
mozillafirefox
mozillafirefox>= 0 < 88.0+build2-0ubuntu0.16.04.188.0+build2-0ubuntu0.16.04.1
mozillafirefox>= 0 < 88.0+build2-0ubuntu0.18.04.288.0+build2-0ubuntu0.18.04.2
mozillafirefox>= 0 < 88.0+build2-0ubuntu0.20.04.188.0+build2-0ubuntu0.20.04.1
mozillafirefox>= unspecified < 8888
mozillafirefox_esr< 78.1078.10
mozillafirefox_esr>= unspecified < 78.1078.10
mozillathunderbird< 78.1078.10
mozillathunderbird>= 0 < 1:78.10.0-11:78.10.0-1
mozillathunderbird>= 0 < 1:78.10.0-11:78.10.0-1
mozillathunderbird>= 0 < 1:78.10.0-11:78.10.0-1
mozillathunderbird>= 0 < 1:78.10.0-11:78.10.0-1
mozillathunderbird>= 0 < 1:78.11.0+build1-0ubuntu0.18.04.21:78.11.0+build1-0ubuntu0.18.04.2
mozillathunderbird>= 0 < 1:78.11.0+build1-0ubuntu0.20.04.21:78.11.0+build1-0ubuntu0.20.04.2
mozillathunderbird>= unspecified < 78.1078.10

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
osv8.8HIGH
vendor_ubuntu8.8HIGH
vendor_debian6.5MEDIUM
vendor_redhat6.5MEDIUM
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