CVE-2021-30666

Katalog CVE

CVSS 8.8 · High KEV · sudah dieksploitasi EPSS 3,0%

Kerentanan Improper Restriction of Operations within the Bounds of a Memory Buffer pada apple iphone os. Skor CVSS 3.1 8.8 (High) menurut NVD. Masuk katalog KEV CISA pada 3 November 2021, artinya sudah terbukti dieksploitasi.

Deskripsi (NVD)

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 12.5.3. 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-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

EPSS (30 hari)

3,0% peluang dieksploitasi; lebih tinggi dari 87,0% CVE lain

Known Exploited Vulnerabilities (CISA)

Nama

Apple iOS WebKit Buffer Overflow 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/HT212341 release notes · advisory vendor
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30666 advisory pihak ketiga · pemerintah AS