CVE-2021-1871

Katalog CVE

CVSS 9.8 · Critical KEV · sudah dieksploitasi EPSS 7,0%

Kerentanan pada apple ipados, apple iphone os +4 lainnya. Skor CVSS 3.1 9.8 (Critical) menurut NVD. Masuk katalog KEV CISA pada 3 November 2021, artinya sudah terbukti dieksploitasi.

Deskripsi (NVD)

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..

Rincian

Terbit di NVD

2 April 2021

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

9.8 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

EPSS (30 hari)

7,0% peluang dieksploitasi; lebih tinggi dari 94,0% CVE lain

Known Exploited Vulnerabilities (CISA)

Nama

Apple iOS, iPadOS, and macOS WebKit Remote Code Execution Vulnerability

Masuk KEV

3 November 2021

Tenggat CISA

17 November 2021 (untuk instansi federal AS)

Ransomware

Belum tercatat

Tindakan wajib

Apply updates per vendor instructions.

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://support.apple.com/en-us/HT212146 release notes · advisory vendor
• https://support.apple.com/en-us/HT212147 release notes · advisory vendor
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-1871 pemerintah AS
• https://www.debian.org/security/2021/dsa-4923 mailing list · advisory pihak ketiga
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E... broken link · mailing list