VULNERABILITY INTELLIGENCE

CVE-2021-30983

CVSS score7.8 HIGH

EPSS probability2.92%

CISA KEVKnown exploited vulnerability

Published2021-08-24

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Known Exploited Vulnerability

Apple iOS and iPadOS Buffer Overflow Vulnerability

Vendor / product: Apple / iOS and iPadOS

Description

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 15.2 and iPadOS 15.2. An application may be able to execute arbitrary code with kernel privileges.

Weakness classification

nvd@nist.gov: CWE-120
134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-120

Primary references

product-security@apple.com — Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Vendor Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0 — US Government Resource