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CVE-2021-1871

CRITICALCISA KEV

9.8

Description

A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..

Details CVE

Score CVSS v3.19.8

SeveriteCRITICAL

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

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie4/2/2021

Derniere modification10/23/2025

Sourcekev

Observations honeypot0

CISA KEV

FournisseurApple

ProduitiOS, iPadOS, and macOS

Nom vulnerabiliteApple iOS, iPadOS, and macOS WebKit Remote Code Execution Vulnerability

Date ajout KEV2021-11-03

Date limite remediation2021-11-17

Utilise dans ransomwareUnknown

Produits affectes

apple:ipadosapple:iphone_osapple:mac_os_xapple:macosdebian:debian_linuxfedoraproject:fedora

References

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/(product-security@apple.com)

https://support.apple.com/en-us/HT212146(product-security@apple.com)

https://support.apple.com/en-us/HT212147(product-security@apple.com)

https://www.debian.org/security/2021/dsa-4923(product-security@apple.com)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/(af854a3a-2127-422b-91ae-364da2661108)

https://support.apple.com/en-us/HT212146(af854a3a-2127-422b-91ae-364da2661108)

https://support.apple.com/en-us/HT212147(af854a3a-2127-422b-91ae-364da2661108)

https://www.debian.org/security/2021/dsa-4923(af854a3a-2127-422b-91ae-364da2661108)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-1871(134c704f-9b21-4f2e-91b3-4a467353bcc0)

Correlations IOC

Aucune correlation enregistree

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