CVE-2021-3629
Last modified
CVE-2021-3629 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. A flaw was found in Undertow. A potential security issue in flow control handling by the browser over http/2 may potentially cause overhead or a denial of service in the server. EPSS estimates a 1.18% chance of exploitation in the next 30 days.
Description
A flaw was found in Undertow. A potential security issue in flow control handling by the browser over http/2 may potentially cause overhead or a denial of service in the server. The highest threat from this vulnerability is availability. This flaw affects Undertow versions prior to 2.0.40.Final and prior to 2.2.11.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 | Integration | All versions |
| Redhat | Jboss Enterprise Application Platform | All versions |
| Redhat | Single Sign-On | All versions |
| Redhat | Undertow | < 2.0.40 |
| Redhat | Undertow | >= 2.2.0, < 2.2.11 |
| Redhat | Wildfly Core | < 17.0 |
| Redhat | Jboss Enterprise Application Platform | 7.4 |
| Redhat | Jboss Enterprise Application Platform | 7.3 |
| 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=1977362Issue Tracking, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220729-0008/Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1977362Issue Tracking, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220729-0008/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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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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- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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