CVE-2021-30900

7.8

CVSS
High

PUBLISHED

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 14.8.1 and iPadOS 14.8.1, iOS 15.1 and iPadOS...

Exploited in the wild Low complexity

Vendor: Apple
Product: iOS and iPadOS
Published: Aug 24, 2021
EPSS: —

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 14.8.1 and iPadOS 14.8.1, iOS 15.1 and iPadOS 15.1. A malicious application may be able to execute arbitrary code with kernel privileges.

ios cisa nessus_scanner

CVSS scores

CVSS v3.1 7.8 High

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

CVSS v2.0 9.3

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

Exploitation status

Exploited in the wild

Recorded 2023-03-30 00:00:00 UTC · Source

SSVC decision points

Exploitation: active
Automatable: No
Technical impact: total

References

Known exploited vulnerability sources

Catalogues that list this CVE as a known exploited vulnerability.

Source	Added
CISA	Mar 30, 2023

Scanner integrations

Scanner	Reference	Detected
Nessus	https://www.tenable.com/plugins/nessus/154722	Jun 02, 2025

Vulnerability detail