# CVE-2021-30883: Apple Multiple Products Memory Corruption Vulnerability

Source: https://junglewise.ai/threats/cve-2021-30883-apple-multiple-products-memory-corruption-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-05-23. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2021-30883 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2022-05-23

A memory corruption vulnerability in multiple Apple operating systems allows an application to execute arbitrary code with kernel privileges. The issue stems from improper memory handling and has been reported as being actively exploited in the wild.

Technologies: [Apple Multiple Products](https://junglewise.ai/threats/technologies/multiple-products). Vendors: [Apple](https://junglewise.ai/threats/vendors/apple).

## Quick answers

**Is CVE-2021-30883 exploited in the wild?** Yes. CVE-2021-30883 is known to be exploited in the wild, first recorded on 23 May 2022. Treat it as urgent.

**How severe is CVE-2021-30883?** Critical severity, with a CVSS score of 7.8, published 23 May 2022.

**Which products and versions are affected?** Apple iOS < 14.8.1, 15.0 - 15.0.1; Apple iPadOS < 14.8.1, 15.0 - 15.0.1; Apple macOS Monterey < 12.0.1; Apple macOS Big Sur 11.0 - 11.6.1; and 2 more.

**Is there a fix for CVE-2021-30883?** A patch was published on 2021-10-11: Fixed in iOS 15.0.2 and iPadOS 15.0.2 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2021-30883 attacked?** It is attacked with local access, in an operating system.

**Am I affected by CVE-2021-30883?** Check whether you run Apple Multiple Products. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Apple iOS < 14.8.1, 15.0 - 15.0.1
- Apple iPadOS < 14.8.1, 15.0 - 15.0.1
- Apple macOS Monterey < 12.0.1
- Apple macOS Big Sur 11.0 - 11.6.1
- Apple tvOS < 15.1
- Apple watchOS < 8.1

## Timeline

- 2021-10-11: patched: Fixed in iOS 15.0.2 and iPadOS 15.0.2
- 2022-05-23: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
- 2022-05-23: disclosed: NVD publication date

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