{"id":"CVE-2021-48006","title":"PocketMine-MP before 4.0.3 does not perform case-insensitive matching when removing operator entries from ops.txt","summary":"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 …","severity":"low","cvss":3.3,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","cwe":["CWE-178"],"vendor":"pmmp","product":"PocketMine-MP","affected":["PocketMine-MP < 4.0.3"],"published":"2026-09-06","updated":"2026-09-18","sourceUpdated":"2026-09-18T18:17:01.233","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2021-48006","references":[{"url":"https://github.com/pmmp/PocketMine-MP/commit/4d37b79ff7f9d9452e988387f97919a9a1c4954e","label":"disclosure@vulncheck.com"},{"url":"https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-j5qg-w9jg-3wg3","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/pocketmine-mp-before-4.0.3-operator-privilege-escalation-via-case-sensitivity","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"epss":0.00109,"epssPercentile":0.01395,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-18T17:07:41.902767Z"},"ingestedAt":"2026-09-07T00:02:13.877Z","slug":"CVE-2021-48006","body":"## Overview\n\nPocketMine-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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":18,"depthScoreParts":{"impact":18.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}