Search/CVE-2021-3859
● CVE — High

CVE-2021-3859

Vendorredhat, netappProductjboss enterprise application platform, undertow, oncommand insight, oncommand workflow automation, single sign-on, cloud secure agentDiscoveredAug 26, 2022UpdatedNov 21, 2024

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.

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CVSS v3.1
7.5 HIGH
EPSS
1.74%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Oct 22, 2026
▲ 0.43pp
1.30% → 1.74% over 4 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
ConfidentialityNONE
IntegrityNONE
AvailabilityHIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Connections
7 relationships
Timeline
disclosure → media coverage
Aug 26, 2022
Disclosure — published as a CVE record. · last revised by NVD Nov 21, 2024