CVE-2018-12537

Name: CVE-2018-12537
Creator: NVD / NIST
Published: 2018-08-14T19:29:00.247+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.48%

Last modified Jun 17, 2026

CVE-2018-12537 is a vulnerability of currently unknown severity. In Eclipse Vert.x version 3.0 to 3.5.1, the HttpServer response headers and HttpClient request headers do not filter carriage return and line feed characters from the header value. This allow unfiltered values to inject a new header in the client request or server response.. EPSS estimates a 2.48% chance of exploitation in the next 30 days.

Description

In Eclipse Vert.x version 3.0 to 3.5.1, the HttpServer response headers and HttpClient request headers do not filter carriage return and line feed characters from the header value. This allow unfiltered values to inject a new header in the client request or server response.

Metrics

EPSS Probability

2.48%

82.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Eclipse	Vert.X	>= 3.0.0, <= 3.5.1

References

https://access.redhat.com/errata/RHSA-2018:2371Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3768Third Party Advisory
https://bugs.eclipse.org/bugs/show_bug.cgi?id=536038Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1591072Issue Tracking, Third Party Advisory
https://github.com/eclipse/vert.x/commit/1bb6445226c39a95e7d07ce3caaf56828e8aab72Third Party Advisory
https://github.com/eclipse/vert.x/issues/2470Third Party Advisory
https://www.compass-security.com/fileadmin/Datein/Research/Advisories/CSNC-2018-021_vertx.txtThird Party Advisory
https://access.redhat.com/errata/RHSA-2018:2371Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3768Third Party Advisory
https://bugs.eclipse.org/bugs/show_bug.cgi?id=536038Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1591072Issue Tracking, Third Party Advisory
https://github.com/eclipse/vert.x/commit/1bb6445226c39a95e7d07ce3caaf56828e8aab72Third Party Advisory
https://github.com/eclipse/vert.x/issues/2470Third Party Advisory
https://www.compass-security.com/fileadmin/Datein/Research/Advisories/CSNC-2018-021_vertx.txtThird Party Advisory

Timeline

Published: Aug 14, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-12537?

How severe is CVE-2018-12537?

Severity scoring for CVE-2018-12537 is pending analysis. The EPSS model estimates a 2.48% probability of exploitation in the next 30 days.

How do I fix CVE-2018-12537?

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.

Are you affected by CVE-2018-12537?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST