Vulnerability Intelligence Report
CVE-2021-3690
A flaw was found in Undertow. A buffer leak on the incoming WebSocket PONG message may lead to memory exhaustion. This flaw allows an attacker to cause a denial of service. The highest threat from this vulnerability is availability.
No Active Exploit Signals
CVSS Base Score
7.5
HIGH
EPSS Probability:1.38%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-400 ↗CWE-400 - Uncontrolled Resource Consumption
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| redhat | fuse | 1.0 |
| redhat | integration_camel_k | all |
| redhat | integration_camel_quarkus | all |
| redhat | jboss_enterprise_application_platform | 7.3, 7.4 |
| redhat | openshift_application_runtimes | all |
| redhat | single_sign-on | all |
| redhat | undertow | all |
| redhat | enterprise_linux | 6.0, 7.0, 8.0 |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
1.375%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Red Hat, Inc. · Vendor · USA |
| Reserved | 2021-08-09T00:00:00 |
| Published | 2022-08-23T15:50:35 |
| Last Updated | 2024-08-03T17:01:08 |
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