CVE-2021-1877 — Vulnetix

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CVE-2021-1877 PUBLISHED CVSS 5.5 MEDIUM

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.5 and iPadOS 14.5. A local user may be able to read kernel memory.

EPSS 0.05% · 16.6th percentile

Risk Scores

CVSS v3.1

5.5

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

EPSS Score

0.05%

16.6th percentile

Affected Products

Vendor	Product	Versions
apple	ipados	0
apple	iphone_os	0
Apple	iOS and iPadOS	unspecified

Timeline

Apr 27, 2021 CVE Published
Sep 9, 2021 EPSS Score
Nov 5, 2021 EPSS Score
Jan 1, 2022 EPSS Score
Feb 4, 2022 EPSS Score
Feb 27, 2022 EPSS Score
Apr 25, 2022 EPSS Score
Jun 22, 2022 EPSS Score
Aug 19, 2022 EPSS Score
Oct 15, 2022 EPSS Score
Dec 11, 2022 EPSS Score
Feb 6, 2023 EPSS Score

References

https://support.apple.com/fr-fr/HT212325 advisory
https://support.apple.com/fr-fr/HT212327 advisory
https://support.apple.com/fr-fr/HT212317 advisory
https://support.apple.com/fr-fr/HT212318 advisory
https://support.apple.com/fr-fr/HT212324 advisory
https://support.apple.com/fr-fr/HT212326 advisory
https://support.apple.com/fr-fr/HT212319 advisory
https://support.apple.com/fr-fr/HT212323 advisory
https://support.apple.com/fr-fr/HT212320 advisory
https://support.apple.com/fr-fr/HT212321 advisory
https://support.apple.com/en-us/HT212317 url
https://nvd.nist.gov/vuln/detail/CVE-2021-1877 advisory

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