CVE-2020-3906
HIGHCVSS 7.8/10EPSS 0.96%
Last modified
CVE-2020-3906 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A logic issue was addressed with improved restrictions. This issue is fixed in macOS Catalina 10.15.4. EPSS estimates a 0.96% chance of exploitation in the next 30 days.
Description
A logic issue was addressed with improved restrictions. This issue is fixed in macOS Catalina 10.15.4. A maliciously crafted application may be able to bypass code signing enforcement.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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-2020-3906?
A logic issue was addressed with improved restrictions. This issue is fixed in macOS Catalina 10.15.4. A maliciously crafted application may be able to bypass code signing enforcement.
How severe is CVE-2020-3906?
CVE-2020-3906 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.96% probability of exploitation in the next 30 days.
How do I fix CVE-2020-3906?
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
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- CVE-2020-3905A memory corruption issue was addressed with improved input …7.8
- CVE-2020-3907An out-of-bounds read was addressed with improved input vali…7.1
- CVE-2020-3908An out-of-bounds read was addressed with improved input vali…7.1
- CVE-2020-3909A buffer overflow was addressed with improved bounds checkin…9.8
- CVE-2020-3910A buffer overflow was addressed with improved size validatio…9.8
- CVE-2020-3911A buffer overflow was addressed with improved bounds checkin…9.8
- CVE-2020-3912An out-of-bounds read was addressed with improved input vali…7.1
Are you affected by CVE-2020-3906?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST