CVE-2020-9841
HIGHCVSS 7.8/10EPSS 1.19%
Last modified
CVE-2020-9841 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An integer overflow was addressed through improved input validation. This issue is fixed in macOS Catalina 10.15.5. EPSS estimates a 1.19% chance of exploitation in the next 30 days.
Description
An integer overflow was addressed through improved input validation. This issue is fixed in macOS Catalina 10.15.5. An application may be able to execute arbitrary code with kernel 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 | < 10.15.5 |
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-2020-9841?
An integer overflow was addressed through improved input validation. This issue is fixed in macOS Catalina 10.15.5. An application may be able to execute arbitrary code with kernel privileges.
How severe is CVE-2020-9841?
CVE-2020-9841 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.19% probability of exploitation in the next 30 days.
How do I fix CVE-2020-9841?
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-2020-9834A memory corruption issue was addressed with improved input …7.8
- CVE-2020-9835An issue existed in the pausing of FaceTime video. The issue…5.3
- CVE-2020-9837An out-of-bounds read was addressed with improved bounds che…7.5
- CVE-2020-9838An out-of-bounds read was addressed with improved bounds che…9.8
- CVE-2020-9839A race condition was addressed with improved state handling.…7
- CVE-2020-9840In SwiftNIO Extras before 1.4.1, a logic issue was addressed…7.5
- CVE-2020-9842An entitlement parsing issue was addressed with improved par…7.1
- CVE-2020-9843An input validation issue was addressed with improved input …7.1
- 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
Are you affected by CVE-2020-9841?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST