# CVE-2021-30983

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 15.2 and iPadOS 15.2. An application may be able to execute arbitrary code with kernel privileges.

- Page: https://www.vulneraibility.com/cve/CVE-2021-30983
- CVSS: 7.8
- Known exploited: yes, in CISA KEV since 2022-06-27; CISA due date 2022-07-18
- EPSS: 2.92% (percentile 87.2)
- CISA SSVC: exploitation active, automatable no, technical impact total (assessed 2025-01-29)
- Weakness: CWE-120
- Published: 2021-08-24

## Affected versions

- Apple iOS and iPadOS: affected < 15.2

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

## References

- [other] https://support.apple.com/en-us/HT212976
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30983

---
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.
