CVE-2021-30661

Katalog CVE

CVSS 8.8 · High KEV · sudah dieksploitasi EPSS 4,5%

Kerentanan Use After Free pada apple safari, apple ipados +4 lainnya. Skor CVSS 3.1 8.8 (High) menurut NVD. Masuk katalog KEV CISA pada 3 November 2021, artinya sudah terbukti dieksploitasi.

Deskripsi (NVD)

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..

Rincian

Terbit di NVD

8 September 2021

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-416: Use After Free

EPSS (30 hari)

4,5% peluang dieksploitasi; lebih tinggi dari 91,2% CVE lain

Known Exploited Vulnerabilities (CISA)

Nama

Apple Multiple Products WebKit Storage Use-After-Free 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/HT212317 advisory vendor
• https://support.apple.com/en-us/HT212318 advisory vendor
• https://support.apple.com/en-us/HT212323 advisory vendor
• https://support.apple.com/en-us/HT212324 advisory vendor
• https://support.apple.com/en-us/HT212325 advisory vendor
• https://support.apple.com/en-us/HT212341 advisory vendor
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30661 advisory pihak ketiga · pemerintah AS