# CVE-2022-51013

## Summary

- **CVE ID:** CVE-2022-51013
- **Severity:** HIGH
- **CVSS Score:** 7.1 (CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N)
- **CWE:** CWE-20
- **Published:** Sep 7, 2026
- **Last Modified:** Sep 14, 2026

## Description

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.

## Affected Products

- pmmp — PocketMine-MP (0)
- pmmp — PocketMine-MP (4.2.3)

## References

- [CNA](https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-46c5-pfj8-fv65)
- [CNA](https://github.com/pmmp/PocketMine-MP/commit/c8e1cfcbee4945fd4b63d2a7e96025c59744d4f1)
- [CNA](https://www.vulncheck.com/advisories/pocketmine-mp-before-4.2.3-denial-of-service-via-nbt-metadata)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.51%
- **EPSS Percentile:** 42.2

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._