CVE-2021-1870

A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
appleCNA
---
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CVEADP
---
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CISA-ADPADP
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 77%
VendorProductVersion
appleipados
𝑥
< 14.4
appleiphone_os
𝑥
< 14.4
applemac_os_x
10.15 ≤
𝑥
< 10.15.7
applemac_os_x
10.15.7
applemac_os_x
10.15.7:security_update_2020-001
applemac_os_x
10.15.7:supplemental_update
applemacos
11.0.1 ≤
𝑥
< 11.2
webkitgtkwebkitgtk
𝑥
< 2.30.6
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
webkit2gtk
bullseye
2.44.2-1~deb11u1
fixed
stretch
ignored
bullseye (security)
2.44.3-1~deb11u1
fixed
bookworm
2.44.2-1~deb12u1
fixed
bookworm (security)
2.46.0-2~deb12u1
fixed
trixie
2.46.2-1
fixed
sid
2.46.3-1
fixed
wpewebkit
bullseye (security)
2.38.6-1~deb11u1
fixed
bullseye
2.38.6-1~deb11u1
fixed
stretch
ignored
bookworm
2.38.6-1
fixed
trixie
2.46.2-1
fixed
sid
2.46.3-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
qtwebkit-opensource-src
noble
ignored
mantic
ignored
lunar
ignored
kinetic
ignored
jammy
ignored
impish
ignored
hirsute
ignored
groovy
ignored
focal
ignored
bionic
ignored
xenial
ignored
trusty
dne
qtwebkit-source
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
impish
dne
hirsute
dne
groovy
dne
focal
dne
bionic
ignored
xenial
ignored
trusty
dne
webkit2gtk
noble
Fixed 2.32.0-1ubuntu3
released
mantic
Fixed 2.32.0-1ubuntu3
released
lunar
Fixed 2.32.0-1ubuntu3
released
kinetic
Fixed 2.32.0-1ubuntu3
released
jammy
Fixed 2.32.0-1ubuntu3
released
impish
Fixed 2.32.0-1ubuntu3
released
hirsute
Fixed 2.32.0-1ubuntu3
released
groovy
Fixed 2.30.6-0ubuntu0.20.10.1
released
focal
Fixed 2.30.6-0ubuntu0.20.04.1
released
bionic
Fixed 2.30.6-0ubuntu0.18.04.1
released
xenial
ignored
trusty
dne
webkitgtk
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
impish
dne
hirsute
dne
groovy
dne
focal
dne
bionic
ignored
xenial
ignored
trusty
dne
wpewebkit
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
ignored
impish
ignored
hirsute
ignored
groovy
ignored
focal
ignored
bionic
dne
xenial
dne
trusty
dne
References
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JN6ZOD62CTO54CHTMJTHVEF6R2Y532TJ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/
https://security.gentoo.org/glsa/202104-03
https://support.apple.com/en-us/HT212146
https://support.apple.com/en-us/HT212147
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JN6ZOD62CTO54CHTMJTHVEF6R2Y532TJ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/
https://security.gentoo.org/glsa/202104-03
https://support.apple.com/en-us/HT212146
https://support.apple.com/en-us/HT212147
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-1870