{"id":"CVE-2022-51016","revision":"5b0344c48a07418d9a2cdab7226d4a68","records":[{"revision":"5b0344c48a07418d9a2cdab7226d4a68","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2022-51016","aliases":[],"title":"PocketMine-MP 3.x before 3.27.0 Authentication Bypass via Login Replay","description":"PocketMine-MP 3.x (before 3.27.0) does not implement Minecraft Bedrock protocol encryption, so the server cannot verify that a connecting client possesses the private key corresponding to its login token. An attacker who captures a valid login from another player's session (for example by tricking the player into connecting to an attacker-controlled server) can replay that login to impersonate the victim and pass XBOX Live authentication until the JWT token expires (typically 2-3 days). This affects servers directly reachable over the internet that are not behind a proxy with encryption enabled. Fixed in 4.0.0 and backported to 3.27.0.","state":0,"publishedAt":"2026-09-07T12:55:09.18+00:00","modifiedAt":"2026-10-08T15:20:58.43+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\": \"3.0.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"3.27.0\"\n                        },\n                        {\n                            \"version\": \"3.27.0\",\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:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","score":5.3,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1,"severity":"MEDIUM"}],"references":["https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-h79x-98r2-g6qc","https://github.com/pmmp/PocketMine-MP/commit/d28be4eaf24a890f7ef110a51181a3d806a6acca","https://www.vulncheck.com/advisories/pocketmine-mp-before-4.0.0-authentication-bypass-via-login-replay"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2022-51016","license":"CVE Program Terms of Use","key":"cve-program:CVE-2022-51016","identifiers":["CVE-2022-51016"]},"retained":false,"historicalAffected":[]}],"coverage":[]}