CVE-2021-30936
Last modified
CVE-2021-30936 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A use after free issue was addressed with improved memory management. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. EPSS estimates a 1.88% chance of exploitation in the next 30 days.
Description
A use after free issue was addressed with improved memory management. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web content may lead to arbitrary code execution.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Safari | < 15.2 |
| Apple | Ipados | < 15.2 |
| Apple | Iphone Os | < 15.2 |
| Apple | Macos | >= 12.0, < 12.1 |
| Apple | Tvos | < 15.2 |
| Apple | Watchos | < 8.3 |
| Fedoraproject | Fedora | 34 |
| Debian | Debian Linux | 10.0 |
| Debian | Debian Linux | 11.0 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-30936?
How severe is CVE-2021-30936?
How do I fix CVE-2021-30936?
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-2021-30930A logic issue was addressed with improved state management. …5.3
- CVE-2021-30931A logic issue was addressed with improved validation. This i…5.5
- CVE-2021-30932The issue was addressed with improved permissions logic. Thi…4.6
- CVE-2021-30933A race condition was addressed with improved state handling.…7
- CVE-2021-30934A buffer overflow issue was addressed with improved memory h…8.8
- CVE-2021-30935A logic issue was addressed with improved validation. This i…8.8
- CVE-2021-30937A memory corruption vulnerability was addressed with improve…7.8
- CVE-2021-30938This issue was addressed with improved checks. This issue is…7.7
- CVE-2021-30939An out-of-bounds read was addressed with improved bounds che…7.8
- CVE-2021-3094Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- CVE-2021-30940A buffer overflow issue was addressed with improved memory h…5.5
- CVE-2021-30941A buffer overflow issue was addressed with improved memory h…5.5
Are you affected by CVE-2021-30936?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST