CVE-2019-3818

Name: CVE-2019-3818
Creator: NVD / NIST
Published: 2019-02-05T17:29:00.357+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.66%

Last modified Jun 17, 2026

CVE-2019-3818 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The kube-rbac-proxy container before version 0.4.1 as used in Red Hat OpenShift Container Platform does not honor TLS configurations, allowing for use of insecure ciphers and TLS 1.0. An attacker could target traffic sent over a TLS connection with a weak configuration and potentially break the encryption.. EPSS estimates a 0.66% chance of exploitation in the next 30 days.

Description

The kube-rbac-proxy container before version 0.4.1 as used in Red Hat OpenShift Container Platform does not honor TLS configurations, allowing for use of insecure ciphers and TLS 1.0. An attacker could target traffic sent over a TLS connection with a weak configuration and potentially break the encryption.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.66%

47.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Kube-Rbac-Proxy Project	Kube-Rbac-Proxy	< 0.4.1
Redhat	Openshift Container Platform	3.11

References

http://www.securityfocus.com/bid/106744Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHBA-2019:0327Vendor Advisory
https://access.redhat.com/security/cve/CVE-2019-3818Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3818Issue Tracking, Patch, Vendor Advisory
http://www.securityfocus.com/bid/106744Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHBA-2019:0327Vendor Advisory
https://access.redhat.com/security/cve/CVE-2019-3818Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3818Issue Tracking, Patch, Vendor Advisory

Timeline

Published: Feb 5, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-3818?

How severe is CVE-2019-3818?

CVE-2019-3818 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.66% probability of exploitation in the next 30 days.

How do I fix CVE-2019-3818?

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-2019-3818?

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

Scan your code now

Source: NVD / NIST