CVE-2021-3597

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.
Race Condition
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.9 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
redhatCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 36%
VendorProductVersion
redhatfuse
1.0
redhatjboss_enterprise_application_platform
-
redhatopenshift_application_runtimes
-
redhatsingle_sign-on
-
redhatundertow
𝑥
< 2.0.35
redhatundertow
2.2.0 ≤
𝑥
< 2.2.6
redhatundertow
2.0.35
redhatundertow
2.0.36
redhatundertow
2.0.39
redhatundertow
2.2.6
redhatundertow
2.2.7
redhatundertow
2.2.9
redhatjboss_enterprise_application_platform
7.3
redhatjboss_enterprise_application_platform
7.4
netappactive_iq_unified_manager
-
netappactive_iq_unified_manager
-
netappactive_iq_unified_manager
-
netapponcommand_insight
-
netapponcommand_workflow_automation
-
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
undertow
sid
2.3.8-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
undertow
noble
needs-triage
mantic
dne
lunar
dne
kinetic
ignored
jammy
needs-triage
impish
ignored
hirsute
ignored
groovy
ignored
focal
needs-triage
bionic
needs-triage
xenial
needs-triage
trusty
dne