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Status published
High
CVE-2021-3859
A flaw was found in Undertow that tripped the client-side...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2010378
- https://issues.redhat.com/browse/UNDERTOW-1979
- https://github.com/undertow-io/undertow/pull/1296
- https://github.com/undertow-io/undertow/commit/e43f0ada3f4da6e8579e0020cec3cb1a81e487c2
- https://access.redhat.com/security/cve/CVE-2021-3859
- https://security.netapp.com/advisory/ntap-20221201-0004/
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Affected Vendor
Affected Software
undertow
Vulnerable Versions:
Fixed in 2.2.15.Final
Timeline
Official Publish:
August 26th, 2022
Last Modified:
August 3rd, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses (CWE)
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.