What is CVE-2018-9090?

CVE-2018-9090 is a medium-severity vulnerability in Red Hat Tectonic, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-09-24.

How severe is CVE-2018-9090?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Red Hat Tectonic

CVE-2018-9090

CoreOS Tectonic 1.7.x and 1.8.x before 1.8.7-tectonic.2 deploys the Grafana web application using default credentials (admin/admin) for the administrator account located at grafana-credentials secret. This occurs because CoreOS does not randomize the administrative password to later be configured by Tectonic administrators. An attacker can insert an XSS payload into the dashboards.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.008 (52.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Redhat Tectonic
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)
cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2018-9090?: CVE-2018-9090 is a medium-severity vulnerability in Red Hat Tectonic, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-09-24.
How severe is CVE-2018-9090?: Medium severity. CVSS v3 base score is 6.1 out of 10.