CVE-2021-30983
Last modified
CVE-2021-30983 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 15.2 and iPadOS 15.2. CISA has confirmed active exploitation in the wild. EPSS estimates a 2.93% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipados | < 15.2 |
| Apple | Iphone Os | < 15.2 |
References
- https://support.apple.com/en-us/HT212976Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212976Release Notes, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30983US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-30978Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- CVE-2021-30979A buffer overflow issue was addressed with improved memory h…7.8
- CVE-2021-3098Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- CVE-2021-30980A use after free issue was addressed with improved memory ma…7.8
- CVE-2021-30981A buffer overflow was addressed with improved bounds checkin…7.8
- CVE-2021-30982A race condition was addressed with improved locking. This i…5.9
- CVE-2021-30984A race condition was addressed with improved state handling.…7.5
- CVE-2021-30985An out-of-bounds write issue was addressed with improved bou…7.8
- CVE-2021-30986A device configuration issue was addressed with an updated c…5.5
- CVE-2021-30987An access issue was addressed with improved access restricti…5.5
- CVE-2021-30988Description: A permissions issue was addressed with improved…5.5
- CVE-2021-30989Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
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Scan your code nowSource: NVD / NIST