{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2021-48006","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-09-05T21:04:30.475Z","datePublished":"2026-09-06T12:00:22.800Z","dateUpdated":"2026-09-06T12:50:16.053Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-09-06T12:50:16.053Z"},"datePublic":"2021-12-16T00:00:00.000Z","title":"PocketMine-MP before 4.0.3 Operator Privilege Escalation via Case Sensitivity","descriptions":[{"lang":"en","value":"PocketMine-MP before 4.0.3 does not perform case-insensitive matching when removing operator entries from ops.txt. The removeOp function lowercases the supplied name but only removes an exactly matching entry, so an operator name stored with non-lowercase letters cannot be revoked using the deop command, leaving the player as an operator until the entry is removed from ops.txt manually."}],"tags":["unsupported-when-assigned"],"problemTypes":[{"descriptions":[{"lang":"en","description":"Improper Handling of Case Sensitivity","cweId":"CWE-178","type":"CWE"}]}],"affected":[{"vendor":"pmmp","product":"PocketMine-MP","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","versionType":"semver","lessThan":"4.0.3"},{"version":"4.0.3","status":"unaffected","versionType":"semver"}]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":4.8,"baseSeverity":"MEDIUM"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":3.3,"baseSeverity":"LOW"}}],"references":[{"url":"https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-j5qg-w9jg-3wg3","tags":["vendor-advisory"],"name":"GitHub Security Advisory (GHSA-j5qg-w9jg-3wg3)"},{"url":"https://github.com/pmmp/PocketMine-MP/commit/4d37b79ff7f9d9452e988387f97919a9a1c4954e","tags":["patch"],"name":"Patch Commit"},{"name":"VulnCheck Advisory: PocketMine-MP before 4.0.3 Operator Privilege Escalation via Case Sensitivity","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/pocketmine-mp-before-4.0.3-operator-privilege-escalation-via-case-sensitivity"}],"x_generator":{"engine":"vulncheck-endgame"}}}}