CVE-2020-9939
MEDIUMCVSS 6.4/10EPSS 0.18%
Last modified
CVE-2020-9939 is a medium-severity vulnerability rated 6.4/10 on the CVSS scale. This issue was addressed with improved checks. This issue is fixed in macOS Catalina 10.15.6. EPSS estimates a 0.18% chance of exploitation in the next 30 days.
Description
This issue was addressed with improved checks. This issue is fixed in macOS Catalina 10.15.6. A local user may be able to load unsigned kernel extensions.
Metrics
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Mac Os X | < 10.15.6 |
References
- https://support.apple.com/kb/HT211289Vendor Advisory
- https://support.apple.com/kb/HT211289Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-9939?
This issue was addressed with improved checks. This issue is fixed in macOS Catalina 10.15.6. A local user may be able to load unsigned kernel extensions.
How severe is CVE-2020-9939?
CVE-2020-9939 has a CVSS score of 6.4/10 (MEDIUM severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.
How do I fix CVE-2020-9939?
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-2020-9933An authorization issue was addressed with improved state man…3.3
- CVE-2020-9934An issue existed in the handling of environment variables. T…5.5
- CVE-2020-9935A logic issue was addressed with improved state management. …4.3
- CVE-2020-9936An out-of-bounds write issue was addressed with improved bou…7.8
- CVE-2020-9937An out-of-bounds write issue was addressed with improved bou…7.8
- CVE-2020-9938An out-of-bounds read was addressed with improved input vali…7.8
- CVE-2020-9940A buffer overflow issue was addressed with improved memory h…7.8
- CVE-2020-9941This issue was addressed with improved checks. This issue is…7.5
- CVE-2020-9942An inconsistent user interface issue was addressed with impr…4.3
- CVE-2020-9943An out-of-bounds read was addressed with improved bounds che…5.5
- CVE-2020-9944An out-of-bounds read was addressed with improved bounds che…5.5
- CVE-2020-9945A spoofing issue existed in the handling of URLs. This issue…4.3
Are you affected by CVE-2020-9939?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST