Vulnerability · Published Jul 9, 2021 · Assigned by redhat

CVE-2021-3637

High 7.5

In plain English

A high-severity resource allocation without limits in keycloak-model-infinispan. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 67% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.1%top 33.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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 packages & fixed versions

EcosystemPackageFixed inAdvisory
Mavenorg.keycloak:keycloak-model-infinispan14.0.0GHSA-2vp8-jv5v-6qh6

Affected products (as reported)

VendorProductVersions
n/a keycloak-model-infinispan keycloak 14.0.0

Weakness: CWE-770

References