CVE-2021-3398
MEDIUMCVSS 5.8/10EPSS 0.91%
Last modified
CVE-2021-3398 is a medium-severity vulnerability rated 5.8/10 on the CVSS scale. Stormshield Network Security (SNS) 3.x has an Integer Overflow in the high-availability component.. EPSS estimates a 0.91% chance of exploitation in the next 30 days.
Description
Stormshield Network Security (SNS) 3.x has an Integer Overflow in the high-availability component.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Stormshield | Stormshield Network Security | >= 3.0.0, <= 3.7.24 |
| Stormshield | Stormshield Network Security | >= 3.8.0, <= 3.11.12 |
References
- https://advisories.stormshield.eu/2021-001/Vendor Advisory
- https://www.stormshield.com/category/alert/Vendor Advisory
- https://advisories.stormshield.eu/2021-001/Vendor Advisory
- https://www.stormshield.com/category/alert/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-3398?
Stormshield Network Security (SNS) 3.x has an Integer Overflow in the high-availability component.
How severe is CVE-2021-3398?
CVE-2021-3398 has a CVSS score of 5.8/10 (MEDIUM severity). The EPSS model estimates a 0.91% probability of exploitation in the next 30 days.
How do I fix CVE-2021-3398?
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 2021
- CVE-2021-33970Buffer Overflow vulnerability in Qihoo 360 Chrome v13.0.2170…10
- CVE-2021-33971Qihoo 360 (https://www.360.cn/) Qihoo 360 Safeguard (https:/…7.8
- CVE-2021-33972Buffer Overflow vulnerability in Qihoo 360 Safe Browser v13.…10
- CVE-2021-33973Buffer Overflow vulnerability in Qihoo 360 Safe guard v12.1.…7.8
- CVE-2021-33974Qihoo 360 (https://www.360.cn/) Qihoo 360 Safeguard (https:/…8.8
- CVE-2021-33975Buffer Overflow vulnerability in Qihoo 360 Total Security v1…10
- CVE-2021-33981An insecure, direct object vulnerability in hunting/fishing …4.3
- CVE-2021-33982An insufficient session expiration vulnerability exists in t…7.5
- CVE-2021-33983Buffer Overflow vulnerability in Dvidelabs flatcc v.0.6.0 al…7.8
- CVE-2021-33988Cross Site Scripting (XSS). vulnerability exists in Microweb…6.1
- CVE-2021-33990Liferay Portal 6.2.5 allows Command=FileUpload&Type=File&Cur…9.8
- CVE-2021-3401Bitcoin Core before 0.19.0 might allow remote attackers to e…9.8
Are you affected by CVE-2021-3398?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST