CVE-2021-30927
Last modified
CVE-2021-30927 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.6.2, tvOS 15.2, macOS Monterey 12.1, Security Update 2021-008 Catalina, iOS 15.2 and iPadOS 15.2, watchOS 8.3. EPSS estimates a 0.35% 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 macOS Big Sur 11.6.2, tvOS 15.2, macOS Monterey 12.1, Security Update 2021-008 Catalina, iOS 15.2 and iPadOS 15.2, watchOS 8.3. 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 | Update |
|---|---|---|---|
| Apple | Ipados | < 15.2 | — |
| Apple | Iphone Os | < 15.2 | — |
| Apple | Mac Os X | 10.15.7 | Security Update 2020-001 |
| Apple | Macos | >= 11.0, < 11.6.2 | — |
| Apple | Macos | >= 12.0, < 12.1 | — |
| Apple | Tvos | < 15.2 | — |
| Apple | Watchos | < 8.3 | — |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-30927?
How severe is CVE-2021-30927?
How do I fix CVE-2021-30927?
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-2021-30921A logic issue was addressed with improved state management. …5.5
- CVE-2021-30922Multiple out-of-bounds write issues were addressed with impr…7.8
- CVE-2021-30923A race condition was addressed with improved locking. This i…7
- CVE-2021-30924A denial of service issue was addressed with improved state …7.5
- CVE-2021-30925The issue was addressed with improved permissions logic. Thi…9.1
- CVE-2021-30926Description: A memory corruption issue in the processing of …7.8
- CVE-2021-30928A memory corruption issue was addressed with improved input …7.8
- CVE-2021-30929An out-of-bounds write issue was addressed with improved bou…5.5
- CVE-2021-3093Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- 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
Are you affected by CVE-2021-30927?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST