A memory corruption issue was addressed with improved memory handling.
Affects Apple iOS and iPadOS and several macOS release lines before their listed fixed versions. Apple's fix for iOS and iPadOS is 15.0.2, and the advisory lists fixed macOS versions of 8.1, 11.6, 12.0 and 15.1.
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Listed in CISA KEV
- How many real-world setups can hit the bug, from the vendor's advisory and CISA data. It does not know your setup.What do these mean? →
- Actively exploited
- Fix
- Fixed in 15.0, 14.8, 12.0, 11.6, 8.1, and 1 more
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
This vulnerability affects Apple's iPhone, iPad, Mac, Apple TV, and Apple Watch operating systems. A malicious app could exploit the flaw to run its own code with the highest level of system control, potentially taking full control of the device.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original description
A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 15.0.2 and iPadOS 15.0.2, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1, macOS Big Sur 11.6.1. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited..
Timeline
- CVE published
- Added to CISA KEV
CISA has evidence of exploitation in the wild
- CISA remediation deadline
Due date for US federal agencies to patch
- Record last updated
- EPSS reached 10%
FIRST estimates at least a 10% chance of exploitation in the next 30 days
Affected versions
- Apple iOS and iPadOS
From unspecified · fixed in 15.0
- Apple iOS and iPadOS
From unspecified · fixed in 14.8
- Apple macOS
From unspecified · fixed in 12.0
- Apple macOS
From unspecified · fixed in 11.6
- Apple macOS
From unspecified · fixed in 8.1
- Apple macOS
From unspecified · fixed in 15.1
References 6
Questions about CVE-2021-30883
What does this mean?
A memory corruption issue, addressed with improved memory handling, that Apple says may allow an application to execute arbitrary code with kernel privileges.Source: support.apple.com
Am I affected, and how do I check?
Apple's data lists iOS and iPadOS versions before 14.8 and 15.0 and macOS versions before 8.1, 11.6, 12.0 and 15.1 as affected. To check a device, look at the software version under Settings > General > About on iOS or iPadOS, or under About This Mac on macOS.Source: support.apple.com
What should I do about it?
Apple's listed fix for iOS and iPadOS is version 15.0.2. For macOS, install the update that matches the fixed version listed for the installed release line.Source: support.apple.com
Is it being exploited?
Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2022-05-23, which means it has evidence of attacks. No public exploit code is tracked.Source: cisa.gov, cve.now feed data