What’s Vulnerable › Vulnerabilities

CVE-2021-3914

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-08-25 · updated 2026-06-17
• Weakness: CWE-79

Description

It was found that the smallrye health metrics UI component did not properly sanitize some user inputs. An attacker could use this flaw to conduct cross-site scripting attacks.

Affected products

• Red Hat build of Quarkus: before 2.7.5 — fixed in 2.7.5
• RedHat Openshift Application Runtimes: 1.0
• RedHat Smallrye Health: all versions

How to fix

Upgrade to a fixed version: Red Hat build of Quarkus 2.7.5. Check the vendor advisory for mitigations.

References

• https://access.redhat.com/security/cve/CVE-2021-3914
• https://bugzilla.redhat.com/show_bug.cgi?id=2018015
• https://access.redhat.com/security/cve/CVE-2021-3914
• https://bugzilla.redhat.com/show_bug.cgi?id=2018015

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