CVE-2020-12400

When converting coordinates from projective to affine, the modular inversion was not performed in constant time, resulting in a possible timing-based side channel attack. This vulnerability affects Firefox < 80 and Firefox for Android < 80.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.7 MEDIUM
LOCAL
HIGH
LOW
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
mozillaCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 15%
VendorProductVersion
mozillafirefox
𝑥
< 80.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
firefox
sid
132.0.1-1
fixed
nss
bullseye
2:3.61-1+deb11u3
fixed
bullseye (security)
2:3.61-1+deb11u4
fixed
bookworm
2:3.87.1-1
fixed
sid
2:3.105-2
fixed
trixie
2:3.105-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
firefox
focal
Fixed 80.0+build2-0ubuntu0.20.04.1
released
bionic
Fixed 80.0+build2-0ubuntu0.18.04.1
released
xenial
Fixed 80.0+build2-0ubuntu0.16.04.1
released
trusty
dne
nss
focal
Fixed 2:3.49.1-1ubuntu1.4
released
bionic
Fixed 2:3.35-2ubuntu2.11
released
xenial
Fixed 2:3.28.4-0ubuntu0.16.04.13
released
trusty
Fixed 2:3.28.4-0ubuntu0.14.04.5+esm7
released