CVE-2020-9840
HIGHCVSS 7.5/10EPSS 1.01%
Last modified
CVE-2020-9840 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In SwiftNIO Extras before 1.4.1, a logic issue was addressed with improved restrictions.. EPSS estimates a 1.01% chance of exploitation in the next 30 days.
Description
In SwiftNIO Extras before 1.4.1, a logic issue was addressed with improved restrictions.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Nioextras | < 1.4.1 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-9840?
In SwiftNIO Extras before 1.4.1, a logic issue was addressed with improved restrictions.
How severe is CVE-2020-9840?
CVE-2020-9840 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.01% probability of exploitation in the next 30 days.
How do I fix CVE-2020-9840?
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-2020-9833A memory initialization issue was addressed with improved me…5.5
- 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-2020-9841An integer overflow was addressed through improved input val…7.8
- 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
Are you affected by CVE-2020-9840?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST