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CVE-2022-51013— PocketMine-MP before 4.2.3 Denial of Service via NBT Metadata

Quick assessment

Affected
pmmp PocketMine-MP
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

PocketMine-MP 在 4.2.3 之前的版本未能验证来自客户端的工具和护甲物品 NBT 数据中的损坏（耐久度）元数据值。攻击者可以在物品堆栈（ItemStack）的 NBT 中发送负数或超出范围的损坏值，从而在 Durable 类中触发未处理的异常，导致服务器崩溃。

CVSS 6.5 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 2

VendorProduct Version RangeStatus
pmmp PocketMine-MP < 4.2.3 affected
4.2.3 unaffected
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I. Basic Information for CVE-2022-51013

Vulnerability Information
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Vulnerability Title
PocketMine-MP before 4.2.3 Denial of Service via NBT Metadata
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
pmmp PocketMine-MP 0 ~ 4.2.3 -

II. Public POCs for CVE-2022-51013

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III. Intelligence Information for CVE-2022-51013

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Patches & Fixes for CVE-2022-51013 (1)

Vendor Advisories for CVE-2022-51013 (2)

Same Patch Batch · pmmp · 2026-09-07 · 9 CVEs total

CVE-2022-51017 7.5 HIGH PocketMine-MP before 3.26.5 and 4.0.5 Denial of Service via Skin Data
CVE-2022-51010 6.5 MEDIUM PocketMine-MP before 4.4.2 Server Crash via Item ID
CVE-2022-51014 6.5 MEDIUM PocketMine-MP before 4.0.7 Denial of Service via JSON Decoding
CVE-2022-51012 6.5 MEDIUM PocketMine-MP before 4.2.9 Denial of Service via NBT Deserialization
CVE-2022-51018 6.5 MEDIUM PocketMine-MP before 3.26.5 Input Validation via Book Pages
CVE-2022-51015 6.5 MEDIUM PocketMine-MP before 4.0.6 Denial of Service via PlayerActionPacket
CVE-2022-51016 6.1 MEDIUM PocketMine-MP before 4.0.0 Authentication Bypass via Login Replay
CVE-2022-51011 4.3 MEDIUM PocketMine-MP before 4.2.10 Denial of Service via Chat Messages

IV. Related Vulnerabilities

Same product: PocketMine-MP
Same vendor: pmmp
Same weakness: CWE-20

V. Comments for CVE-2022-51013

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