CVE-2020-3843
HIGHCVSS 8.8/10EPSS 3.48%
Last modified
CVE-2020-3843 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 12.4.7, watchOS 5.3.7. EPSS estimates a 3.48% chance of exploitation in the next 30 days.
Description
A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 12.4.7, watchOS 5.3.7. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.
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 | Iphone Os | < 12.4.7 |
| Apple | Watchos | < 5.3.7 |
References
- http://packetstormsecurity.com/files/162119/iOS-macOS-Radio-Proximity-Kernel-Memory-Corruption.htmlThird Party Advisory, VDB Entry
- https://support.apple.com/HT211169Vendor Advisory
- https://support.apple.com/HT211176Vendor Advisory
- http://packetstormsecurity.com/files/162119/iOS-macOS-Radio-Proximity-Kernel-Memory-Corruption.htmlThird Party Advisory, VDB Entry
- https://support.apple.com/HT211169Vendor Advisory
- https://support.apple.com/HT211176Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-3843?
A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 12.4.7, watchOS 5.3.7. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.
How severe is CVE-2020-3843?
CVE-2020-3843 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 3.48% probability of exploitation in the next 30 days.
How do I fix CVE-2020-3843?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
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 2020
- CVE-2020-3837A memory corruption issue was addressed with improved memory…7.8
- CVE-2020-3838The issue was addressed with improved permissions logic. Thi…7.8
- CVE-2020-3839A validation issue was addressed with improved input sanitiz…5.5
- CVE-2020-3840An off by one issue existed in the handling of racoon config…7.8
- CVE-2020-3841The issue was addressed with improved UI handling. This issu…6.5
- CVE-2020-3842A memory corruption issue was addressed with improved memory…7.8
- CVE-2020-3844This issue was addressed with improved checks. This issue is…3.3
- CVE-2020-3845A memory corruption issue was addressed with improved memory…7.8
- CVE-2020-3846A buffer overflow was addressed with improved size validatio…8.8
- CVE-2020-3847An out-of-bounds read was addressed with improved input vali…9.8
- CVE-2020-3848A memory corruption issue was addressed with improved input …9.8
- CVE-2020-3849A memory corruption issue was addressed with improved input …9.8
Are you affected by CVE-2020-3843?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST