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CVE-2022-51012— PocketMine-MP before 4.2.9 Denial of Service via NBT Deserialization

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.

在 4.2.9 版本之前的 PocketMine-MP 中，在反序列化来自客户端的库存事务数据包时，未能正确验证 NBT 数据类型。攻击者可以发送带有格式错误的 NBT 标签的库存事务，以触发服务器崩溃，从而导致拒绝服务（DoS）攻击。

CVSS 6.5 · Medium

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 2

VendorProduct Version RangeStatus
pmmp PocketMine-MP < 4.2.9 affected
4.2.9 unaffected
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I. Basic Information for CVE-2022-51012

Vulnerability Information
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Vulnerability Title
PocketMine-MP before 4.2.9 Denial of Service via NBT Deserialization
Source: CVE Program / CVE List V5
Vulnerability Description
PocketMine-MP versions before 4.2.9 fail to properly validate NBT data types during deserialization of inventory transaction packets from clients. Attackers can send crafted inventory transactions with malformed NBT tags to trigger server crashes and cause denial of service.
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 ~ 4.2.9 -

II. Public POCs for CVE-2022-51012

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2022-51012

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Patches & Fixes for CVE-2022-51012 (1)

Vendor Advisories for CVE-2022-51012 (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-2022-51013 6.5 MEDIUM PocketMine-MP before 4.2.3 Denial of Service via NBT Metadata
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-2022-51018 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-2022-51012

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