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CVE-2021-3637

Published: Jul 9, 2021Updated: Nov 21, 2024 Sources: CVE List NVD GHSACWE-770
NVD MITRE
7.5CVSSHIGH
EPSS Score
1.1%
Top 37.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A flaw was found in keycloak-model-infinispan in keycloak versions before 14.0.0 where authenticationSessions map in RootAuthenticationSessionEntity grows boundlessly which could lead to a DoS attack.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-770

Affected Products

keycloak-model-infinispann/a
org.keycloak:keycloak-model-infinispanMavenOSS Libraries
keycloakredhat
On-prem
Operating Systems / linux-distro
single sign-onredhat
On-prem
Operating Systems / linux-distro
mavenpackage-ecosystemOSS Libraries
redhatcommercialUSOperating Systemsaka red hat

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://bugzilla.redhat.com/show_bug.cgi?id=1979638
bugzilla.redhat.com
https://nvd.nist.gov/vuln/detail/CVE-2021-3637
nvd.nist.gov

Timeline

Published
Jul 9, 2021
Last Updated
Nov 21, 2024

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