{"id":"CVE-2021-48007","revision":"efb7fbcbb31e41bf9aacba145b79aedb","records":[{"revision":"efb7fbcbb31e41bf9aacba145b79aedb","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2021-48007","aliases":[],"title":"PocketMine-MP before 3.18.1 Denial of Service via MovePlayerPacket","description":"PocketMine-MP versions before 3.18.1 fail to validate NaN or INF values in MovePlayerPacket position and rotation fields. Malicious clients can send crafted movement packets with invalid floating-point values to crash servers through unhandled mathematical operations or prevent clients from rendering other players.","state":0,"publishedAt":"2026-09-06T12:00:23.482+00:00","modifiedAt":"2026-10-08T15:20:53.249+00:00","affected":[{"ecosystem":"Vendor product","name":"PocketMine-MP","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"pmmp\",\n                    \"product\": \"PocketMine-MP\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"3.18.1\"\n                        },\n                        {\n                            \"version\": \"3.18.1\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"packageURL\": \"pkg:composer/pocketmine/pocketmine-mp\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":7.1,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":6.5,"severity":"MEDIUM"}],"references":["https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-fm35-jgg3-3grx","https://github.com/pmmp/PocketMine-MP/commit/fb20bb38327b4c08ee3976640cd0dd547388a638","https://www.vulncheck.com/advisories/pocketmine-mp-before-3.18.1-denial-of-service-via-moveplayerpacket"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2021-48007","license":"CVE Program Terms of Use","key":"cve-program:CVE-2021-48007","identifiers":["CVE-2021-48007"]},"retained":false,"historicalAffected":[]}],"coverage":[]}