# CVE-2021-30869

A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 12.5.5, iOS 14.4 and iPadOS 14.4, macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, Security Update 2021-006 Catalina. A malicious application may be able to execute arbitrary code with kernel privileges. Apple is aware of reports that an exploit for this issue exists in the wild.

- Page: https://www.vulneraibility.com/cve/CVE-2021-30869
- CVSS: 7.8
- Known exploited: yes, in CISA KEV since 2021-11-03; CISA due date 2021-11-17
- EPSS: 4.17% (percentile 91.0)
- CISA SSVC: exploitation active, automatable no, technical impact total (assessed 2025-01-29)
- Weakness: CWE-843
- Published: 2021-08-24

## Affected versions

- Apple iOS and iPadOS: affected < 14.4
- Apple macOS: affected < 11.2; < 12.5; < 2021

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

## References

- [other] https://support.apple.com/en-us/HT212147
- [other] https://support.apple.com/en-us/HT212146
- [other] https://support.apple.com/en-us/HT212824
- [other] https://support.apple.com/en-us/HT212825
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30869

---
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.