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CVE-2022-51008— PocketMine-MP before 4.12.3 Denial of Service via Unauthenticated Sessions

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.

PMMP PocketMine-MP是PMMP团队开源的一款基岩版游戏服务器软件。 PMMP PocketMine-MP 4.12.3之前版本存在资源管理错误漏洞，该漏洞源于未限制未经身份验证的会话，攻击者无需发送LoginPacket即可创建会话，耗尽服务器玩家槽位，阻止合法玩家加入。

CVSS 5.3 · Medium EPSS 0.29% · P21

Possible ATT&CK Techniques 1 AI

T1074 · Data Staged

Affected Version Matrix 2

VendorProduct Version RangeStatus
pmmp PocketMine-MP 4.0.0< 4.12.3 affected
4.12.3 unaffected
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I. Basic Information for CVE-2022-51008

Vulnerability Information
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Vulnerability Title
PocketMine-MP before 4.12.3 Denial of Service via Unauthenticated Sessions
Source: CVE Program / CVE List V5
Vulnerability Description
PocketMine-MP before 4.12.3 fails to limit unauthenticated sessions, allowing attackers to exhaust player slots by creating sessions without sending LoginPacket. Attackers can flood the server with unauthenticated connections that occupy max-player slots, preventing legitimate players from joining.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5
Vulnerability Title
PMMP PocketMine-MP 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PMMP PocketMine-MP是PMMP团队开源的一款基岩版游戏服务器软件。 PMMP PocketMine-MP 4.12.3之前版本存在资源管理错误漏洞，该漏洞源于未限制未经身份验证的会话，攻击者无需发送LoginPacket即可创建会话，耗尽服务器玩家槽位，阻止合法玩家加入。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
pmmp PocketMine-MP 4.0.0 ~ 4.12.3 -

II. Public POCs for CVE-2022-51008

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III. Intelligence Information for CVE-2022-51008

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Patches & Fixes for CVE-2022-51008 (1)

Vendor Advisories for CVE-2022-51008 (2)

Same Patch Batch · pmmp · 2026-09-06 · 5 CVEs total

CVE-2022-51009 7.5 HIGH PocketMine-MP before 4.7.2 Denial of Service via Skin Geometry
CVE-2021-48007 6.5 MEDIUM PocketMine-MP before 3.18.1 Denial of Service via MovePlayerPacket
CVE-2020-37277 6.5 MEDIUM PocketMine-MP before 3.15.4 Denial of Service via InventoryTransaction
CVE-2021-48006 3.3 LOW PocketMine-MP before 4.0.3 Operator Privilege Escalation via Case Sensitivity

IV. Related Vulnerabilities

Same product: PocketMine-MP
Same vendor: pmmp
Same weakness: CWE-770