CVE-2021-30799
Last modified
CVE-2021-30799 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. EPSS estimates a 2.09% chance of exploitation in the next 30 days.
Description
Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. 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 | Update |
|---|---|---|---|
| Apple | Iphone Os | < 14.7 | — |
| Apple | Mac Os X | >= 10.14, <= 10.14.6 | — |
| Apple | Mac Os X | >= 10.15, < 10.15.7 | — |
| Apple | Mac Os X | 10.14.6 | Security Update 2019-001 |
| Apple | Mac Os X | 10.15.6 | Supplemental Update |
| Apple | Mac Os X | 10.15.7 | Security Update 2020 |
| Apple | Macos | >= 11.0, < 11.5 | — |
References
- https://support.apple.com/en-us/HT212600Vendor Advisory
- https://support.apple.com/en-us/HT212601Vendor Advisory
- https://support.apple.com/en-us/HT212602Vendor Advisory
- https://support.apple.com/en-us/HT212603Vendor Advisory
- https://support.apple.com/en-us/HT212600Vendor Advisory
- https://support.apple.com/en-us/HT212601Vendor Advisory
- https://support.apple.com/en-us/HT212602Vendor Advisory
- https://support.apple.com/en-us/HT212603Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-30799?
How severe is CVE-2021-30799?
How do I fix CVE-2021-30799?
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-2021-30792An out-of-bounds write was addressed with improved input val…7.8
- CVE-2021-30793A logic issue was addressed with improved state management. …9.8
- CVE-2021-30795A use after free issue was addressed with improved memory ma…8.8
- CVE-2021-30796A logic issue was addressed with improved validation. This i…6.5
- CVE-2021-30797This issue was addressed with improved checks. This issue is…8.8
- CVE-2021-30798A logic issue was addressed with improved state management. …7.5
- CVE-2021-30800This issue was addressed with improved checks. This issue is…8.8
- CVE-2021-30802A use after free issue was addressed with improved memory ma…8.8
- CVE-2021-30803A permissions issue was addressed with improved validation. …3.3
- CVE-2021-30804A permissions issue was addressed with improved validation. …3.3
- CVE-2021-30805A memory corruption issue was addressed with improved input …9.8
- CVE-2021-30807A memory corruption issue was addressed with improved memory…7.8
Are you affected by CVE-2021-30799?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST