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cve[email protected]CVE-2021-1820
HistorySep 08, 2021 - 3:15 p.m.

CVE-2021-1820

2021-09-0815:15:00
CWE-665
[email protected]
web.nvd.nist.gov
131
cve-2021-1820
memory handling
security patch
macos
ios
ipados
watchos
tvos
web content
disclosure of process memory
nvd

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

6.4 Medium

AI Score

Confidence

High

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

46.6%

JSON

A memory initialization issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing maliciously crafted web content may result in the disclosure of process memory.

VendorProductVersionCPE
appleiphone_os*cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
appleipad_os*cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:*
appletvos*cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
applewatchos*cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
applemacos*cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

Related

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ubuntucve 1
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nessus 12
osv 3
redhat 1
rocky 1
apple 4
suse 2
gentoo 1
ibm 1
amazon 1
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RHEL 8 : GNOME (RHSA-2021:1586)
2021-05-19 00:00:00
osv
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2021-05-18 05:35:26
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2021-05-18 05:35:26
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apple
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2021-10-19 15:38:04
amazon
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Important: webkitgtk4
2023-06-07 23:52:00

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

6.4 Medium

AI Score

Confidence

High

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

46.6%

JSON
Related for CVE-2021-1820
veracode1prion1redhatcve1ubuntucve1alpinelinux1debiancve1nessus12osv3redhat1rocky1apple4suse2gentoo1ibm1amazon1