CVE-2021-3597
Last modified
CVE-2021-3597 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. A flaw was found in undertow. The HTTP2SourceChannel fails to write the final frame under some circumstances, resulting in a denial of service. EPSS estimates a 1.06% chance of exploitation in the next 30 days.
Description
A flaw was found in undertow. The HTTP2SourceChannel fails to write the final frame under some circumstances, resulting in a denial of service. The highest threat from this vulnerability is availability. This flaw affects Undertow versions prior to 2.0.35.SP1, prior to 2.2.6.SP1, prior to 2.2.7.SP1, prior to 2.0.36.SP1, prior to 2.2.9.Final and prior to 2.0.39.Final.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Redhat | Fuse | 1.0 |
| Redhat | Jboss Enterprise Application Platform | All versions |
| Redhat | Openshift Application Runtimes | All versions |
| Redhat | Single Sign-On | All versions |
| Redhat | Undertow | < 2.0.35 |
| Redhat | Undertow | >= 2.2.0, < 2.2.6 |
| Redhat | Undertow | 2.0.35 |
| Redhat | Undertow | 2.0.36 |
| Redhat | Undertow | 2.0.39 |
| Redhat | Undertow | 2.2.6 |
| Redhat | Undertow | 2.2.7 |
| Redhat | Undertow | 2.2.9 |
| Redhat | Jboss Enterprise Application Platform | 7.3 |
| Redhat | Jboss Enterprise Application Platform | 7.4 |
| Netapp | Active Iq Unified Manager | All versions |
| Netapp | Oncommand Insight | All versions |
| Netapp | Oncommand Workflow Automation | All versions |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1970930Issue Tracking, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220804-0003/Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1970930Issue Tracking, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220804-0003/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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