CVE-2021-30909
Last modified
CVE-2021-30909 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. EPSS estimates a 1.38% chance of exploitation in the next 30 days.
Description
A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. 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
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipad Os | < 14.8.1 |
| Apple | Ipados | 15.0 |
| Apple | Iphone Os | < 14.8.1 |
| Apple | Iphone Os | 15.0 |
| Apple | Mac Os X | < 10.15.7 |
| Apple | Mac Os X | 10.15.7 |
| Apple | Macos | >= 11.0, < 11.6.1 |
| Apple | Macos | 12.0 |
| Apple | Tvos | < 15.1 |
| Apple | Watchos | < 8.1 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-30909?
How severe is CVE-2021-30909?
How do I fix CVE-2021-30909?
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-2021-30903This issue was addressed with improved checks. This issue is…7.8
- CVE-2021-30904A sync issue was addressed with improved state validation. T…5.3
- CVE-2021-30905An out-of-bounds read was addressed with improved bounds che…5.5
- CVE-2021-30906This issue was addressed with improved checks. This issue is…7.8
- CVE-2021-30907An integer overflow was addressed through improved input val…7.8
- CVE-2021-30908An authentication issue was addressed with improved state ma…3.3
- CVE-2021-3091Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- CVE-2021-30910An out-of-bounds read was addressed with improved bounds che…5.5
- CVE-2021-30911An out-of-bounds read was addressed with improved bounds che…5.5
- CVE-2021-30912The issue was addressed with improved permissions logic. Thi…5.5
- CVE-2021-30913The issue was addressed with improved permissions logic. Thi…5.5
- CVE-2021-30914A memory corruption issue was addressed with improved input …7.8
Are you affected by CVE-2021-30909?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
