Home/CVE/A flaw was found in keycloak-model-infinispan in keycloak versions before 14.0.0 where authenticationSessions map in Roo
CVE

CVE-2021-3637

A flaw was found in keycloak-model-infinispan in keycloak versions before 14.0.0 where authenticationSessions map in Roo

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.

HIGH · CVSS 7.5 EPSS 0.00468
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-770Allocation of Resources Without Limits or Throttling
▤

Affected Products & Versions

2
redhat keycloak< 14.0.0
redhat single sign-onall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Maven org.keycloak:keycloak-model-infinispan HIGH fixed in 14.0.0
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD09 Jul 2021 · 11:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

4
rhsaRHSA-2021:3534Important
rhsaRHSA-2021:3528Moderate
rhsaRHSA-2021:3527Moderate
rhsaRHSA-2021:3529Moderate
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugzilla.redhat.com/show_bug.cgi?id=1979638Issue TrackingVendor Advisory
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