CVE-2017-2670
HIGHCVSS 7.5/10EPSS 3.66%
Last modified
CVE-2017-2670 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. It was found in Undertow before 1.3.28 that with non-clean TCP close, the Websocket server gets into infinite loop on every IO thread, effectively causing DoS.. EPSS estimates a 3.66% chance of exploitation in the next 30 days.
Description
It was found in Undertow before 1.3.28 that with non-clean TCP close, the Websocket server gets into infinite loop on every IO thread, effectively causing DoS.
Metrics
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Redhat | Undertow | < 1.3.28 |
| Debian | Debian Linux | 9.0 |
| Redhat | Jboss Enterprise Application Platform | 6.0.0 |
| Redhat | Jboss Enterprise Application Platform | 7.0.0 |
| Redhat | Jboss Enterprise Application Platform | 7.1.0 |
References
- http://rhn.redhat.com/errata/RHSA-2017-1409.htmlVendor Advisory
- http://www.securityfocus.com/bid/98965Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:1410Vendor Advisory
- https://access.redhat.com/errata/RHSA-2017:1411Vendor Advisory
- https://access.redhat.com/errata/RHSA-2017:1412Vendor Advisory
- https://access.redhat.com/errata/RHSA-2017:3454Vendor Advisory
- https://access.redhat.com/errata/RHSA-2017:3455Vendor Advisory
- https://access.redhat.com/errata/RHSA-2017:3456Vendor Advisory
- https://access.redhat.com/errata/RHSA-2017:3458Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2670Issue Tracking, Vendor Advisory
- https://www.debian.org/security/2017/dsa-3906Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-1409.htmlVendor Advisory
- http://www.securityfocus.com/bid/98965Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:1410Vendor Advisory
- https://access.redhat.com/errata/RHSA-2017:1411Vendor Advisory
- https://access.redhat.com/errata/RHSA-2017:1412Vendor Advisory
- https://access.redhat.com/errata/RHSA-2017:3454Vendor Advisory
- https://access.redhat.com/errata/RHSA-2017:3455Vendor Advisory
- https://access.redhat.com/errata/RHSA-2017:3456Vendor Advisory
- https://access.redhat.com/errata/RHSA-2017:3458Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2670Issue Tracking, Vendor Advisory
- https://www.debian.org/security/2017/dsa-3906Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2017-2670?
It was found in Undertow before 1.3.28 that with non-clean TCP close, the Websocket server gets into infinite loop on every IO thread, effectively causing DoS.
How severe is CVE-2017-2670?
CVE-2017-2670 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.66% probability of exploitation in the next 30 days.
How do I fix CVE-2017-2670?
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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