CVE-2020-3903
HIGHCVSS 7.8/10EPSS 1.36%
Last modified
CVE-2020-3903 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 macOS Catalina 10.15.4. EPSS estimates a 1.36% chance of exploitation in the next 30 days.
Description
A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Catalina 10.15.4. An application may be able to execute arbitrary code with system 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 | Mac Os X | < 10.15.4 |
References
- https://support.apple.com/HT211100Release Notes, Vendor Advisory
- https://support.apple.com/HT211100Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-3903?
A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Catalina 10.15.4. An application may be able to execute arbitrary code with system privileges.
How severe is CVE-2020-3903?
CVE-2020-3903 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.36% probability of exploitation in the next 30 days.
How do I fix CVE-2020-3903?
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.
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Are you affected by CVE-2020-3903?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST