CVE-2021-30858: apple ipados +4 lainnya

csirt@kutim:~/threat-intel/cve/CVE-2021-30858

CVSS 8.8 · High KEV · sudah dieksploitasi EPSS 13,4%

Kerentanan Use After Free pada apple ipados, apple iphone os +3 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 iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6. 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: 24 Agustus 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): 13,4% peluang dieksploitasi; lebih tinggi dari 96,3% CVE lain

Known Exploited Vulnerabilities (CISA)

Nama: Apple iOS, iPadOS, macOS 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

Vendor	Produk	Versi terdampak
apple	ipados	Versi 13.1 hingga sebelum 14.8
apple	iphone os	Semua versi sebelum 12.5.5
apple	iphone os	Versi 13.0 hingga sebelum 14.8
apple	macos	Semua versi sebelum 11.6
fedoraproject	fedora	Versi 33
fedoraproject	fedora	Versi 34
debian	debian linux	Versi 10.0
debian	debian linux	Versi 11.0

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30858 pemerintah AS
http://seclists.org/fulldisclosure/2021/Sep/25 mailing list · advisory pihak ketiga
http://seclists.org/fulldisclosure/2021/Sep/27 mailing list · advisory pihak ketiga
http://seclists.org/fulldisclosure/2021/Sep/29 mailing list · advisory pihak ketiga
http://seclists.org/fulldisclosure/2021/Sep/38 mailing list · advisory pihak ketiga
http://seclists.org/fulldisclosure/2021/Sep/39 mailing list · advisory pihak ketiga
http://seclists.org/fulldisclosure/2021/Sep/50 mailing list · advisory pihak ketiga
https://support.apple.com/en-us/HT212804 advisory pihak ketiga
https://support.apple.com/en-us/HT212807 advisory pihak ketiga
https://support.apple.com/kb/HT212824 advisory pihak ketiga
https://www.debian.org/security/2021/dsa-4975 mailing list · advisory pihak ketiga
https://www.debian.org/security/2021/dsa-4976 mailing list · advisory pihak ketiga
http://www.openwall.com/lists/oss-security/2021/09/20/1 mailing list
http://www.openwall.com/lists/oss-security/2021/10/26/9 mailing list
http://www.openwall.com/lists/oss-security/2021/10/27/1 mailing list
http://www.openwall.com/lists/oss-security/2021/10/27/2 mailing list
http://www.openwall.com/lists/oss-security/2021/10/27/4 mailing list
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BO6DMTHZR57JD... release notes
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XYNV7ASK4LQVA... release notes

Sumber: NVD · CVE.org · KEV CISA · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:10 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.