CVE-2021-30983: Apple iOS and iPadOS Buffer Overflow Vulnerability

CVE-2021-30983 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2022-06-27

A buffer overflow vulnerability in Apple iOS and iPadOS was addressed through improved memory handling. A local application may exploit this flaw to execute arbitrary code with kernel privileges.

Technologies: Apple iPadOS, Apple macOS, Apple watchOS, Cisco IOS. Vendors: Apple, Cisco.

Quick answers

Is CVE-2021-30983 exploited in the wild?
Yes. CVE-2021-30983 is known to be exploited in the wild, first recorded on 27 June 2022. Treat it as urgent.
How severe is CVE-2021-30983?
Critical severity, with a CVSS score of 7.8, published 27 June 2022.
Which products and versions are affected?
Apple iOS < 15.2; Apple iPadOS < 15.2.
Is there a fix for CVE-2021-30983?
A patch was published on 2021-12-23: Fixed in iOS 15.2 and iPadOS 15.2 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2021-30983 attacked?
It is attacked with local access, in an operating system.
Am I affected by CVE-2021-30983?
Check whether you run Apple iPadOS, Apple macOS, Apple watchOS or one of the others listed. 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 < 15.2
  • Apple iPadOS < 15.2

Timeline

  • 2021-08-24: disclosed: NVD Published Date
  • 2021-12-23: patched: Fixed in iOS 15.2 and iPadOS 15.2
  • 2022-06-27: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2022-06-27: exploited: Reported as exploited in the wild

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