CVE-2021-3637
HIGH
7.5
CVSS Score
Published: July 9, 2021 at 10:33 AM UTC
Updated: June 17, 2026 at 04:05 AM UTC
2 products affected across 2 vendorsSingle Sign onKeycloak
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Severity
HIGH7.5
Exploit prediction
EPSS 1%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 14.0.014.0.0
Affected range stops below 14.0.0, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_MISCIssue TrackingVendor Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=1979638CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-770
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