Improper input validation in Pmmp Pocketmine-Mp
CVE-2022-51013
PocketMine-MP versions before 4.2.3 fail to validate damage metadata values in tool and armor item NBT data received from clients. Attackers can send negative or out-of-range damage values in itemstack NBT to trigger unhandled exceptions in the Durable class, causing server crashes.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
Weakness classification (CWE)
References
- disclosure@vulncheck.com (vendor-advisory)
- disclosure@vulncheck.com (patch)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2022-51013?
- CVE-2022-51013 is a medium-severity vulnerability in Pmmp Pocketmine-Mp, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2026-09-07.
- How severe is CVE-2022-51013?
- Medium severity. CVSS v3 base score is 6.5 out of 10.