# CVE-2021-30883

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..

- Page: https://www.vulneraibility.com/cve/CVE-2021-30883
- CVSS: 7.8
- Known exploited: yes, in CISA KEV since 2022-05-23; CISA due date 2022-06-13
- EPSS: 14.72% (percentile 96.7)
- CISA SSVC: exploitation active, automatable no, technical impact total (assessed 2025-01-29)
- Weakness: CWE-787
- Published: 2021-08-24

## Affected versions

- Apple iOS and iPadOS: affected < 15.0; < 14.8
- Apple macOS: affected < 12.0; < 11.6; < 8.1; < 15.1

A version outside these ranges is not a statement that it is unaffected.

## References

- [other] https://support.apple.com/en-us/HT212869
- [other] https://support.apple.com/en-us/HT212872
- [other] https://support.apple.com/en-us/HT212846
- [other] https://support.apple.com/en-us/HT212868
- [other] https://support.apple.com/en-us/HT212874
- [other] https://support.apple.com/en-us/HT212876
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30883

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.