{"id":"CVE-2022-51008","summary":"PocketMine-MP before 4.12.3 Denial of Service via Unauthenticated Sessions","details":"PocketMine-MP before 4.12.3 fails to limit unauthenticated sessions, allowing attackers to exhaust player slots by creating sessions without sending LoginPacket. Attackers can flood the server with unauthenticated connections that occupy max-player slots, preventing legitimate players from joining.","aliases":["GHSA-474q-9hgp-hcvx"],"modified":"2026-09-10T03:30:58.988877516Z","published":"2026-09-06T12:00:24.186Z","database_specific":{"cwe_ids":["CWE-770"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/51xxx/CVE-2022-51008.json","cna_assigner":"VulnCheck"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/51xxx/CVE-2022-51008.json"},{"type":"ADVISORY","url":"https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-474q-9hgp-hcvx"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-51008"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/pocketmine-mp-before-4.12.3-denial-of-service-via-unauthenticated-sessions"},{"type":"FIX","url":"https://github.com/pmmp/PocketMine-MP/commit/59be901efe6b7833e69e638e0e1497051ce96fa7"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/pmmp/pocketmine-mp","events":[{"introduced":"468faa464b2bc5c97f23fafbb71ea61035f6f218"},{"fixed":"466f7e98ed339681b46eea5a323bebbf07077721"}],"database_specific":{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"4.0.0"},{"fixed":"4.12.3"}]}}],"versions":["4.12.2","4.12.1","4.12.0","4.10.2","4.10.1","4.10.0","4.9.1","4.9.0","4.8.1","4.8.0","4.7.3","4.7.2","4.7.1","4.7.0","4.6.2","4.6.1","4.6.0","4.5.2","4.5.1","4.5.0","4.4.2","4.4.1","4.4.0","4.4.0-BETA1","4.1.0-BETA2","4.1.0-BETA1","4.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-51008.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"}]}