Vulnerability · Published Jun 2, 2021 · Assigned by redhat

CVE-2020-14326

High 7.5

In plain English

A high-severity uncontrolled resource consumption in RESTEasy. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.2%top 30.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A vulnerability was found in RESTEasy, where RootNode incorrectly caches routes. This issue results in hash flooding, leading to slower requests with higher CPU time spent searching and adding the entry. This flaw allows an attacker to cause a denial of service.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Mavenorg.jboss.resteasy:resteasy-bom4.5.6.FinalGHSA-37g7-8vjj-pjpj
Ubuntu:25.10resteasyno fix listedUBUNTU-CVE-2020-14326
Ubuntu:26.04:LTSresteasyno fix listedUBUNTU-CVE-2020-14326
Ubuntu:26.10resteasyno fix listedUBUNTU-CVE-2020-14326

Affected products (as reported)

VendorProductVersions
n/a RESTEasy RESTEasy 4.5.6.Final

Weakness: CWE-400

References