CVE-2021-1820

EPSS 0.59%
Published 08.09.2021 15:15:09
Last modified 21.11.2024 05:45:10
Source product-security@apple.com
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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 Warnungen 0 Metrics 3 CWE 1 References 7

Data is provided by the National Vulnerability Database (NVD)

Apple ≫ iPadOS Version < 14.5

Apple ≫ iPhone OS Version < 14.5

Apple ≫ macOS Version >= 11.0 < 11.3

Apple ≫ tvOS Version < 14.5

Apple ≫ watchOS Version < 7.4

Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.

EPSS Metriken
Type	Source	Score	Percentile
EPSS	FIRST.org	0.59%	0.682

CVSS Metriken
Source	Base Score	Exploit Score	Impact Score	Vector string
nvd@nist.gov	6.5	2.8	3.6	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
nvd@nist.gov	4.3	8.6	2.9	AV:N/AC:M/Au:N/C:P/I:N/A:N

CWE-665 Improper Initialization

The product does not initialize or incorrectly initializes a resource, which might leave the resource in an unexpected state when it is accessed or used.

https://support.apple.com/en-us/HT212325

Vendor Advisory

https://support.apple.com/en-us/HT212317

Vendor Advisory

https://support.apple.com/en-us/HT212323

Vendor Advisory

https://support.apple.com/en-us/HT212324

Vendor Advisory

https://nvd.nist.gov/vuln/detail/CVE-2021-1820

CVE Source (NVD)

https://cveawg.mitre.org/api/cve/CVE-2021-1820

CVE Source (JSON)

https://euvd.enisa.europa.eu/vulnerability/CVE-2021-1820

EUVD