CVE-2017-12165
LOWCVSS 2.6/10EPSS 1.86%
Last modified
CVE-2017-12165 is a low-severity vulnerability rated 2.6/10 on the CVSS scale. It was discovered that Undertow before 1.4.17, 1.3.31 and 2.0.0 processes http request headers with unusual whitespaces which can cause possible http request smuggling.. EPSS estimates a 1.86% chance of exploitation in the next 30 days.
Description
It was discovered that Undertow before 1.4.17, 1.3.31 and 2.0.0 processes http request headers with unusual whitespaces which can cause possible http request smuggling.
Metrics
CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Redhat | Undertow | >= 1.0.0, < 1.3.31 | — |
| Redhat | Undertow | >= 1.4.0, < 1.4.17 | — |
| Redhat | Undertow | 2.0.0 | Alpha 1 |
| Redhat | Jboss Enterprise Application Platform | 7.0.0 | — |
| Redhat | Jboss Enterprise Application Platform | 7.1.0 | — |
References
- 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://access.redhat.com/errata/RHSA-2018:0002Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:0003Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:0004Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:0005Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:1322Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12165Issue Tracking, Vendor 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://access.redhat.com/errata/RHSA-2018:0002Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:0003Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:0004Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:0005Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:1322Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12165Issue Tracking, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2017-12165?
It was discovered that Undertow before 1.4.17, 1.3.31 and 2.0.0 processes http request headers with unusual whitespaces which can cause possible http request smuggling.
How severe is CVE-2017-12165?
CVE-2017-12165 has a CVSS score of 2.6/10 (LOW severity). The EPSS model estimates a 1.86% probability of exploitation in the next 30 days.
How do I fix CVE-2017-12165?
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-2017-12165?
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