What is CVE-2018-6590?

CVE-2018-6590 is a medium-severity vulnerability in Broadcom Ca API Developer Portal, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-08-03.

How severe is CVE-2018-6590?

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

XSS in Broadcom Ca API Developer Portal

CVE-2018-6590

CA API Developer Portal 4.x, prior to v4.2.5.3 and v4.2.7.1, has an unspecified reflected cross-site scripting vulnerability.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-08-03 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.007 (53.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Broadcom Ca API Developer Portal — versions 4.0, 4.1
Ca Technologies API Developer Portal — versions 4.x

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

support.ca.com/us/product-content/recommended-reading/security-notices/ca201808… (Vendor Advisory)
www.securitytracker.com/id/1041416 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2018-6590?: CVE-2018-6590 is a medium-severity vulnerability in Broadcom Ca API Developer Portal, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-08-03.
How severe is CVE-2018-6590?: Medium severity. CVSS v3 base score is 6.1 out of 10.