Improper access control in PocketMine-MP - #VU125420
Published: December 16, 2021 / Updated: April 8, 2026
Vulnerability identifier: #VU125420
CSH Severity: Low
CVSSv4.0: 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/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
PocketMine-MP
PocketMine-MP
Software vendor:
PMMP
PMMP
Description
The vulnerability allows a local user to disclose sensitive information.
The vulnerability exists due to improper access control in operator status handling when processing de-op commands against entries in ops.txt with non-lowercase letters. A local user can add their name to ops.txt with uppercase letters to disclose sensitive information.
The issue can make a player impossible to de-op using commands because operator checks match names case-insensitively while removal does not.
Remediation
Install security update from vendor's website.