CVE-2020-3908
HIGHCVSS 7.1/10EPSS 0.32%
Last modified
CVE-2020-3908 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.4. EPSS estimates a 0.32% chance of exploitation in the next 30 days.
Description
An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.4. A local user may be able to cause unexpected system termination or read kernel memory.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Mac Os X | < 10.15.4 |
References
- https://support.apple.com/HT211100Vendor Advisory
- https://support.apple.com/HT211100Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-3908?
An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.4. A local user may be able to cause unexpected system termination or read kernel memory.
How severe is CVE-2020-3908?
CVE-2020-3908 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.
How do I fix CVE-2020-3908?
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-2020-3902An input validation issue was addressed with improved input …6.1
- CVE-2020-3903A memory corruption issue was addressed with improved memory…7.8
- CVE-2020-3904Multiple memory corruption issues were addressed with improv…7.8
- CVE-2020-3905A memory corruption issue was addressed with improved input …7.8
- CVE-2020-3906A logic issue was addressed with improved restrictions. This…7.8
- CVE-2020-3907An 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
- CVE-2020-3913A permissions issue existed. This issue was addressed with i…7.8
- CVE-2020-3914A memory initialization issue was addressed with improved me…5.5
Are you affected by CVE-2020-3908?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
