VULNERABILITY INTELLIGENCE
CVE-2021-3859
CVSS score7.5 HIGH
EPSS probability1.74%
CISA KEVNot currently listed
Published2022-08-26
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
A flaw was found in Undertow that tripped the client-side invocation timeout with certain calls made over HTTP2. This flaw allows an attacker to carry out denial of service attacks.
Weakness classification
- secalert@redhat.com: CWE-214
- nvd@nist.gov: CWE-668
Primary references
- secalert@redhat.com — Vendor Advisory
- secalert@redhat.com — Issue Tracking, Vendor Advisory
- secalert@redhat.com — Patch, Third Party Advisory
- secalert@redhat.com — Third Party Advisory
- secalert@redhat.com — Issue Tracking, Patch, Vendor Advisory
- secalert@redhat.com — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory