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ubuntucveUbuntu.comUB:CVE-2021-1870
HistoryMar 24, 2021 - 12:00 a.m.

CVE-2021-1870

2021-03-2400:00:00
ubuntu.com
ubuntu.com
17

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

0.014 Low

EPSS

Percentile

86.4%

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…

Notes

Author Note
jdstrand webkit receives limited support. For details, see https://wiki.ubuntu.com/SecurityTeam/FAQ#webkit webkit in Ubuntu uses the JavaScriptCore (JSC) engine, not V8
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchwebkit2gtk<Β 2.30.6-0ubuntu0.18.04.1UNKNOWN
ubuntu20.04noarchwebkit2gtk<Β 2.30.6-0ubuntu0.20.04.1UNKNOWN
ubuntu20.10noarchwebkit2gtk<Β 2.30.6-0ubuntu0.20.10.1UNKNOWN
ubuntu21.04noarchwebkit2gtk<Β 2.32.0-1ubuntu3UNKNOWN
ubuntu21.10noarchwebkit2gtk<Β 2.32.0-1ubuntu3UNKNOWN
ubuntu22.04noarchwebkit2gtk<Β 2.32.0-1ubuntu3UNKNOWN
ubuntu22.10noarchwebkit2gtk<Β 2.32.0-1ubuntu3UNKNOWN
ubuntu23.04noarchwebkit2gtk<Β 2.32.0-1ubuntu3UNKNOWN
ubuntu23.10noarchwebkit2gtk<Β 2.32.0-1ubuntu3UNKNOWN
ubuntu24.04noarchwebkit2gtk<Β 2.32.0-1ubuntu3UNKNOWN

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

0.014 Low

EPSS

Percentile

86.4%