CVE-2020-9851
MEDIUMCVSS 5.5/10EPSS 0.60%
Last modified
CVE-2020-9851 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. An access issue was addressed with improved access restrictions. This issue is fixed in macOS Catalina 10.15.5. EPSS estimates a 0.60% chance of exploitation in the next 30 days.
Description
An access issue was addressed with improved access restrictions. This issue is fixed in macOS Catalina 10.15.5. A malicious application may be able to modify protected parts of the file system.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Mac Os X | < 10.15.5 |
References
- https://support.apple.com/HT211170Vendor Advisory
- https://support.apple.com/HT211170Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-9851?
An access issue was addressed with improved access restrictions. This issue is fixed in macOS Catalina 10.15.5. A malicious application may be able to modify protected parts of the file system.
How severe is CVE-2020-9851?
CVE-2020-9851 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.60% probability of exploitation in the next 30 days.
How do I fix CVE-2020-9851?
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-2020-9844A double free issue was addressed with improved memory manag…7.5
- CVE-2020-9846A logic issue was addressed with improved state management. …5.3
- CVE-2020-9847An out-of-bounds read was addressed with improved bounds che…8.6
- CVE-2020-9848An authorization issue was addressed with improved state man…2.4
- CVE-2020-9849An information disclosure issue was addressed with improved …6.5
- CVE-2020-9850A logic issue was addressed with improved restrictions. This…9.8
- CVE-2020-9852An integer overflow was addressed through improved input val…7.8
- CVE-2020-9853A memory corruption issue was addressed with improved valida…7.8
- CVE-2020-9854A logic issue was addressed with improved validation. This i…7.8
- CVE-2020-9855A validation issue existed in the handling of symlinks. This…7.8
- CVE-2020-9856This issue was addressed with improved checks. This issue is…5.3
- CVE-2020-9857An issue existed in the parsing of URLs. This issue was addr…4.3
Are you affected by CVE-2020-9851?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST