{"cve":"CVE-2022-36437","nvd":{"published":"2022-12-29T23:15:09.883","modified":"2026-06-17T04:53:27.140","status":"Modified","description":"The Connection handler in Hazelcast and Hazelcast Jet allows a remote unauthenticated attacker to access and manipulate data in the cluster with the identity of another already authenticated connection. The affected Hazelcast versions are through 4.0.6, 4.1.9, 4.2.5, 5.0.3, and 5.1.2. The affected Hazelcast Jet versions are through 4.5.3.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","score":9.1},"cwes":["CWE-384"],"references":["https://github.com/hazelcast/hazelcast/security/advisories/GHSA-c5hg-mr8r-f6jp","https://github.com/hazelcast/hazelcast/security/advisories/GHSA-c5hg-mr8r-f6jp"],"products":["hazelcast:hazelcast","hazelcast:hazelcast-jet"],"source":"nvd","synced_at":"2026-10-19T21:37:31.370122805+00:00"},"epss":{"cve":"CVE-2022-36437","score":0.01088,"percentile":0.65331,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-c5hg-mr8r-f6jp","url":"https://osv.dev/vulnerability/GHSA-c5hg-mr8r-f6jp","summary":"Hazelcast connection caching","modified":"2026-07-08T06:30:04.337325031Z","packages":[{"ecosystem":"Maven","name":"com.hazelcast:hazelcast","purl":"pkg:maven/com.hazelcast/hazelcast","ranges":["<3.12.13"],"fixed":["3.12.13"]},{"ecosystem":"Maven","name":"com.hazelcast:hazelcast","purl":"pkg:maven/com.hazelcast/hazelcast","ranges":[">=4.0 <=4.0.6"],"fixed":[]},{"ecosystem":"Maven","name":"com.hazelcast:hazelcast","purl":"pkg:maven/com.hazelcast/hazelcast","ranges":[">=4.1 <4.1.10"],"fixed":["4.1.10"]},{"ecosystem":"Maven","name":"com.hazelcast:hazelcast","purl":"pkg:maven/com.hazelcast/hazelcast","ranges":[">=4.2 <4.2.6"],"fixed":["4.2.6"]},{"ecosystem":"Maven","name":"com.hazelcast:hazelcast","purl":"pkg:maven/com.hazelcast/hazelcast","ranges":[">=5.0 <5.0.4"],"fixed":["5.0.4"]},{"ecosystem":"Maven","name":"com.hazelcast:hazelcast","purl":"pkg:maven/com.hazelcast/hazelcast","ranges":[">=5.1 <5.1.3"],"fixed":["5.1.3"]},{"ecosystem":"Maven","name":"com.hazelcast.jet:hazelcast-jet","purl":"pkg:maven/com.hazelcast.jet/hazelcast-jet","ranges":["<4.5.4"],"fixed":["4.5.4"]},{"ecosystem":"Maven","name":"com.hazelcast.jet:hazelcast-jet-enterprise","purl":"pkg:maven/com.hazelcast.jet/hazelcast-jet-enterprise","ranges":["<4.5.4"],"fixed":["4.5.4"]},{"ecosystem":"Maven","name":"com.hazelcast:hazelcast-enterprise","purl":"pkg:maven/com.hazelcast/hazelcast-enterprise","ranges":["<3.12.13"],"fixed":["3.12.13"]},{"ecosystem":"Maven","name":"com.hazelcast:hazelcast-enterprise","purl":"pkg:maven/com.hazelcast/hazelcast-enterprise","ranges":[">=4.0 <=4.0.6"],"fixed":[]},{"ecosystem":"Maven","name":"com.hazelcast:hazelcast-enterprise","purl":"pkg:maven/com.hazelcast/hazelcast-enterprise","ranges":[">=4.1 <4.1.10"],"fixed":["4.1.10"]},{"ecosystem":"Maven","name":"com.hazelcast:hazelcast-enterprise","purl":"pkg:maven/com.hazelcast/hazelcast-enterprise","ranges":[">=4.2 <4.2.6"],"fixed":["4.2.6"]},{"ecosystem":"Maven","name":"com.hazelcast:hazelcast-enterprise","purl":"pkg:maven/com.hazelcast/hazelcast-enterprise","ranges":[">=5.0 <5.0.4"],"fixed":["5.0.4"]},{"ecosystem":"Maven","name":"com.hazelcast:hazelcast-enterprise","purl":"pkg:maven/com.hazelcast/hazelcast-enterprise","ranges":[">=5.1 <5.1.3"],"fixed":["5.1.3"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}