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.

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)

Published 2026-09-07 · last modified 2026-10-08.

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.

EPSS exploit prediction

EPSS: 0.005 (42.4th percentile), scored 2026-10-22.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Pmmp Pocketmine-Mp

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

github.com/pmmp/PocketMine-MP/security/advisories/GHSA-46c5-pfj8-fv65 (vendor-advisory)
github.com/pmmp/PocketMine-MP/commit/c8e1cfcbee4945fd4b63d2a7e96025c59744d4f1 (patch)
www.vulncheck.com/advisories/pocketmine-mp-before-4.2.3-denial-of-service-via-n… (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.