Vulnerability in Quarkus
CVE-2021-3642
A flaw was found in Wildfly Elytron in versions prior to 1.10.14.Final, prior to 1.15.5.Final and prior to 1.16.1.Final where ScramServer may be susceptible to Timing Attack if enabled. The highest threat of this vulnerability is confidentiality.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.008 (58.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Quarkus
- Red Hat Build Of Quarkus
- Red Hat Codeready Studio — versions 12.0
- Red Hat Data Grid — versions 8.0
- Red Hat Descision Manager — versions 7.0
- Red Hat Integration Camel K
- Red Hat Integration Camel Quarkus
- Red Hat Jboss Enterprise Application Platform — versions 7.0.0
- Red Hat Jboss Enterprise Application Platform Expansion Pack
- Red Hat Jboss Fuse — versions 7.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.redhat.com/show_bug.cgi (Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-3642?
- CVE-2021-3642 is a medium-severity vulnerability in Quarkus, classified under Observable Discrepancy. CVSS score: 5.3/10. Published 2021-08-05.
- How severe is CVE-2021-3642?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2021-3642 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.