CVE-2020-9817
HIGHCVSS 7.8/10EPSS 1.06%
Last modified
CVE-2020-9817 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A permissions issue existed. This issue was addressed with improved permission validation. EPSS estimates a 1.06% chance of exploitation in the next 30 days.
Description
A permissions issue existed. This issue was addressed with improved permission validation. This issue is fixed in macOS Catalina 10.15.5. A malicious application may be able to gain root 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 | >= 10.13, < 10.13.6 |
| Apple | Mac Os X | >= 10.14, < 10.14.6 |
| Apple | Mac Os X | >= 10.15, < 10.15.5 |
| Apple | Mac Os X | 10.13.6 |
| Apple | Mac Os X | 10.14.6 |
References
- https://support.apple.com/HT211170Release Notes, Vendor Advisory
- https://support.apple.com/HT211170Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-9817?
A permissions issue existed. This issue was addressed with improved permission validation. This issue is fixed in macOS Catalina 10.15.5. A malicious application may be able to gain root privileges.
How severe is CVE-2020-9817?
CVE-2020-9817 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.06% probability of exploitation in the next 30 days.
How do I fix CVE-2020-9817?
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-2020-9811An information disclosure issue was addressed with improved …5.5
- CVE-2020-9812An information disclosure issue was addressed with improved …5.5
- CVE-2020-9813A logic issue existed resulting in memory corruption. This w…7.8
- CVE-2020-9814A logic issue existed resulting in memory corruption. This w…7.8
- CVE-2020-9815An out-of-bounds read was addressed with improved bounds che…7.8
- CVE-2020-9816An out-of-bounds write issue was addressed with improved bou…7.8
- CVE-2020-9818An out-of-bounds write issue was addressed with improved bou…8.8
- CVE-2020-9819A memory consumption issue was addressed with improved memor…4.3
- CVE-2020-9820A logic issue was addressed with improved restrictions. This…7.5
- CVE-2020-9821A memory corruption issue was addressed with improved state …7.8
- CVE-2020-9822An out-of-bounds write issue was addressed with improved bou…7.8
- CVE-2020-9823This issue was addressed with improved checks. This issue is…7.5
Are you affected by CVE-2020-9817?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST