# CVE-2021-30900

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 14.8.1 and iPadOS 14.8.1, iOS 15.1 and iPadOS 15.1. A malicious application may be able to execute arbitrary code with kernel privileges.

- Page: https://www.vulneraibility.com/cve/CVE-2021-30900
- CVSS: 7.8
- Known exploited: yes, in CISA KEV since 2023-03-30; CISA due date 2023-04-20
- EPSS: 5.20% (percentile 92.6)
- 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 < 15.1; < 14.8

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

## References

- [other] https://support.apple.com/kb/HT212872
- [other] https://support.apple.com/en-us/HT212867
- [other] https://support.apple.com/en-us/HT212868
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30900

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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.