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Vulnerability Details :

CVE-2021-1820

Summary
Assigner-apple
Assigner Org ID-286789f9-fbc2-4510-9f9a-43facdede74c
Published At-08 Sep, 2021 | 14:54
Updated At-03 Aug, 2024 | 16:25
Rejected At-
Credits

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:apple
Assigner Org ID:286789f9-fbc2-4510-9f9a-43facdede74c
Published At:08 Sep, 2021 | 14:54
Updated At:03 Aug, 2024 | 16:25
Rejected At:
▼CVE Numbering Authority (CNA)

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.

Affected Products
Vendor
Apple Inc.Apple
Product
iOS and iPadOS
Versions
Affected
  • From unspecified before 14.5 (custom)
Vendor
Apple Inc.Apple
Product
tvOS
Versions
Affected
  • From unspecified before 14.5 (custom)
Vendor
Apple Inc.Apple
Product
watchOS
Versions
Affected
  • From unspecified before 7.4 (custom)
Vendor
Apple Inc.Apple
Product
macOS
Versions
Affected
  • From unspecified before 11.3 (custom)
Problem Types
TypeCWE IDDescription
textN/AProcessing maliciously crafted web content may result in the disclosure of process memory
Type: text
CWE ID: N/A
Description: Processing maliciously crafted web content may result in the disclosure of process memory
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://support.apple.com/en-us/HT212317
x_refsource_MISC
https://support.apple.com/en-us/HT212323
x_refsource_MISC
https://support.apple.com/en-us/HT212324
x_refsource_MISC
https://support.apple.com/en-us/HT212325
x_refsource_MISC
Hyperlink: https://support.apple.com/en-us/HT212317
Resource:
x_refsource_MISC
Hyperlink: https://support.apple.com/en-us/HT212323
Resource:
x_refsource_MISC
Hyperlink: https://support.apple.com/en-us/HT212324
Resource:
x_refsource_MISC
Hyperlink: https://support.apple.com/en-us/HT212325
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://support.apple.com/en-us/HT212317
x_refsource_MISC
x_transferred
https://support.apple.com/en-us/HT212323
x_refsource_MISC
x_transferred
https://support.apple.com/en-us/HT212324
x_refsource_MISC
x_transferred
https://support.apple.com/en-us/HT212325
x_refsource_MISC
x_transferred
Hyperlink: https://support.apple.com/en-us/HT212317
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://support.apple.com/en-us/HT212323
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://support.apple.com/en-us/HT212324
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://support.apple.com/en-us/HT212325
Resource:
x_refsource_MISC
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:product-security@apple.com
Published At:08 Sep, 2021 | 15:15
Updated At:12 Jul, 2022 | 17:42

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.16.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Primary2.04.3MEDIUM
AV:N/AC:M/Au:N/C:P/I:N/A:N
Type: Primary
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Type: Primary
Version: 2.0
Base score: 4.3
Base severity: MEDIUM
Vector:
AV:N/AC:M/Au:N/C:P/I:N/A:N
CPE Matches
Apple Inc.
apple
>>ipados>>Versions before 14.5(exclusive)
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
Apple Inc.
apple
>>iphone_os>>Versions before 14.5(exclusive)
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
Apple Inc.
apple
>>macos>>Versions from 11.0(inclusive) to 11.3(exclusive)
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Apple Inc.
apple
>>tvos>>Versions before 14.5(exclusive)
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
Apple Inc.
apple
>>watchos>>Versions before 7.4(exclusive)
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-665Primarynvd@nist.gov
CWE ID: CWE-665
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://support.apple.com/en-us/HT212317product-security@apple.com
Vendor Advisory
https://support.apple.com/en-us/HT212323product-security@apple.com
Vendor Advisory
https://support.apple.com/en-us/HT212324product-security@apple.com
Vendor Advisory
https://support.apple.com/en-us/HT212325product-security@apple.com
Vendor Advisory
Hyperlink: https://support.apple.com/en-us/HT212317
Source: product-security@apple.com
Resource:
Vendor Advisory
Hyperlink: https://support.apple.com/en-us/HT212323
Source: product-security@apple.com
Resource:
Vendor Advisory
Hyperlink: https://support.apple.com/en-us/HT212324
Source: product-security@apple.com
Resource:
Vendor Advisory
Hyperlink: https://support.apple.com/en-us/HT212325
Source: product-security@apple.com
Resource:
Vendor Advisory

Change History

0
Information is not available yet

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