{"id":"CVE-2021-48006","state":"PUBLISHED","title":"PocketMine-MP before 4.0.3 Operator Privilege Escalation via Case Sensitivity","description":"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.","publishedAt":"2026-09-06T12:00:22.800Z","updatedAt":"2026-10-08T15:20:52.601Z","severity":{"score":4.8,"label":"Medium","version":"4.0","vector":"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","source":"VulnCheck"},"assigner":"VulnCheck","products":["pmmp PocketMine-MP"],"affected":[{"vendor":"pmmp","product":"PocketMine-MP","packageURL":"pkg:composer/pocketmine/pocketmine-mp","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.0.3","versionType":"semver"},{"version":"4.0.3","status":"unaffected","versionType":"semver"}]}],"references":["https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-j5qg-w9jg-3wg3","https://github.com/pmmp/PocketMine-MP/commit/4d37b79ff7f9d9452e988387f97919a9a1c4954e","https://www.vulncheck.com/advisories/pocketmine-mp-before-4.0.3-operator-privilege-escalation-via-case-sensitivity"],"weaknesses":["CWE-178"],"ingestedAt":"2026-10-29T19:49:22.269Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/48xxx/CVE-2021-48006.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2021-48006","state":"PUBLISHED","datePublished":"2026-09-06T12:00:22.800Z","dateUpdated":"2026-10-08T15:20:52.601Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-09-05T21:04:30.475Z"},"containers":{"cna":{"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."}],"affected":[{"vendor":"pmmp","product":"PocketMine-MP","packageURL":"pkg:composer/pocketmine/pocketmine-mp","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.0.3","versionType":"semver"},{"version":"4.0.3","status":"unaffected","versionType":"semver"}]}],"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"},{"url":"https://www.vulncheck.com/advisories/pocketmine-mp-before-4.0.3-operator-privilege-escalation-via-case-sensitivity","name":"VulnCheck Advisory: PocketMine-MP before 4.0.3 Operator Privilege Escalation via Case Sensitivity","tags":["third-party-advisory"]}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-178","lang":"en","description":"Improper Handling of Case Sensitivity","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-10-08T15:20:52.601Z"},"datePublic":"2021-12-16T00:00:00.000Z","tags":["unsupported-when-assigned"],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2021-48006","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-09-18T17:07:41.902767Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-18T17:23:10.717Z"}}]}}}