PT-2021-18951 · Apple · Ios+2

3Ndy1 + 1 · Published 2021-08-24 · Updated 2025-10-23 · CVE-2021-30900

Positive Technologies (AI Summary)

CVSS v2.0

9.3

High

Base vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Apple iOS versions prior to 14.8.1 Apple iOS versions prior to 15.1 Apple iPadOS versions prior to 14.8.1 Apple iPadOS versions prior to 15.1

Description An out-of-bounds write issue was addressed with improved bounds checking, which may allow a malicious application to execute arbitrary code with kernel privileges.

Recommendations For Apple iOS versions prior to 14.8.1, update to iOS 14.8.1 or later. For Apple iOS versions prior to 15.1, update to iOS 15.1 or later. For Apple iPadOS versions prior to 14.8.1, update to iPadOS 14.8.1 or later. For Apple iPadOS versions prior to 15.1, update to iPadOS 15.1 or later.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2021-30900

Affected Products

Apple Macos

Ios

Ipados

References · 15

• https://support.apple.com/en-us/HT21286 · Security Note
• https://support.apple.com/en-us/HT212867 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-30900 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-30900 · Security Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30900 · Note
• https://t.me/aptreports/3324 · Telegram Post
• https://cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30900 · Note
• https://support.apple.com/en-us/103164 · Note
• https://support.apple.com/kb/HT212872 · Security Note, Vendor Advisory
• https://cisa.gov/known-exploited-vulnerabilities-catalog · Note
• https://t.me/true_secator/4237 · Telegram Post
• https://support.apple.com/en-us/HT212872 · Note
• https://t.me/cveNotify/140063 · Telegram Post
• https://support.apple.com/en-us/HT212868 · Security Note, Vendor Advisory
• https://t.me/aptreports/3325 · Telegram Post