XSS in Red Hat Build Of Quarkus
CVE-2021-3914
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
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: 0.005 (44.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 44.4% 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 Build Of Quarkus
- Red Hat Openshift Application Runtimes — versions 1.0
- Red Hat Smallrye Health
- Smallrye-Health — versions Not-Known
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.redhat.com/show_bug.cgi (Issue Tracking, Vendor Advisory)
- access.redhat.com/security/cve/CVE-2021-3914 (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-3914?
- CVE-2021-3914 is a medium-severity vulnerability in Red Hat Build Of Quarkus, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-08-25.
- How severe is CVE-2021-3914?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2021-3914 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.