CVE-2023-4259
HIGHCVSS 8.8/10EPSS 0.71%
Last modified
CVE-2023-4259 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Two potential buffer overflow vulnerabilities at the following locations in the Zephyr eS-WiFi driver source code.. EPSS estimates a 0.71% chance of exploitation in the next 30 days.
Description
Two potential buffer overflow vulnerabilities at the following locations in the Zephyr eS-WiFi driver source code.
Metrics
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Zephyrproject | Zephyr | <= 3.4.0 |
References
- http://seclists.org/fulldisclosure/2023/Nov/1Mailing List, Third Party Advisory
- https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-gghm-c696-f4j4Exploit, Vendor Advisory
- http://seclists.org/fulldisclosure/2023/Nov/1Mailing List, Third Party Advisory
- https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-gghm-c696-f4j4Exploit, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-4259?
Two potential buffer overflow vulnerabilities at the following locations in the Zephyr eS-WiFi driver source code.
How severe is CVE-2023-4259?
CVE-2023-4259 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.71% probability of exploitation in the next 30 days.
How do I fix CVE-2023-4259?
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.
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Are you affected by CVE-2023-4259?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST