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CVE-2021-30661

HIGHCISA KEV

8.8

Description

A use after free issue was addressed with improved memory management. This issue is fixed in Safari 14.1, iOS 12.5.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..

Details CVE

Score CVSS v3.18.8

SeveriteHIGH

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

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurREQUIRED

Publie9/8/2021

Derniere modification10/23/2025

Sourcekev

Observations honeypot0

CISA KEV

FournisseurApple

ProduitMultiple Products

Nom vulnerabiliteApple Multiple Products WebKit Storage Use-After-Free Vulnerability

Date ajout KEV2021-11-03

Date limite remediation2021-11-17

Utilise dans ransomwareUnknown

Produits affectes

apple:ipadosapple:iphone_osapple:macosapple:safariapple:tvosapple:watchos

Faiblesses (CWE)

CWE-416CWE-416

References

https://support.apple.com/en-us/HT212317(product-security@apple.com)

https://support.apple.com/en-us/HT212318(product-security@apple.com)

https://support.apple.com/en-us/HT212323(product-security@apple.com)

https://support.apple.com/en-us/HT212324(product-security@apple.com)

https://support.apple.com/en-us/HT212325(product-security@apple.com)

https://support.apple.com/en-us/HT212341(product-security@apple.com)

https://support.apple.com/en-us/HT212317(af854a3a-2127-422b-91ae-364da2661108)

https://support.apple.com/en-us/HT212318(af854a3a-2127-422b-91ae-364da2661108)

https://support.apple.com/en-us/HT212323(af854a3a-2127-422b-91ae-364da2661108)

https://support.apple.com/en-us/HT212324(af854a3a-2127-422b-91ae-364da2661108)

https://support.apple.com/en-us/HT212325(af854a3a-2127-422b-91ae-364da2661108)

https://support.apple.com/en-us/HT212341(af854a3a-2127-422b-91ae-364da2661108)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30661(134c704f-9b21-4f2e-91b3-4a467353bcc0)

Correlations IOC

Aucune correlation enregistree

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