What is CVE-2021-3442?

CVE-2021-3442 is a medium-severity vulnerability in Red Hat Openshift API Management, classified under Improper Input Validation. CVSS score: 5.4/10. Published 2022-08-22.

How severe is CVE-2021-3442?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Improper input validation in Red Hat Openshift API Management

CVE-2021-3442

A flaw was found in the Red Hat OpenShift API Management product. User input is not validated allowing an authenticated user to inject scripts into some text boxes leading to a XSS attack. The highest threat from this vulnerability is to data confidentiality.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2022-08-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (39.9th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 39.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000

Affected products

Red Hat Openshift API Management — versions 2.9.1
Red Hat Openshift API Management. — versions Affects v2.9.1 GA.

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

bugzilla.redhat.com/show_bug.cgi (Issue Tracking, Vendor Advisory)
access.redhat.com/security/cve/CVE-2021-3442 (Vendor Advisory)

Frequently asked questions

What is CVE-2021-3442?: CVE-2021-3442 is a medium-severity vulnerability in Red Hat Openshift API Management, classified under Improper Input Validation. CVSS score: 5.4/10. Published 2022-08-22.
How severe is CVE-2021-3442?: Medium severity. CVSS v3 base score is 5.4 out of 10.