Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2020-37277— PocketMine-MP before 3.15.4 Denial of Service via InventoryTransaction

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 3.15.4 之前的版本中，其 InventoryTransaction 组件的 findResultItem() 方法存在拒绝服务（DoS）漏洞。恶意客户端可以发送精心构造的 InventoryTransaction 数据包，其中包含多个相互冲突的路径，从而导致指数级增长的处理复杂度，最终导致服务器冻结。

CVSS 6.5 · Medium

Affected Version Matrix 2

VendorProduct Version RangeStatus
pmmp PocketMine-MP < 3.15.4 affected
3.15.4 unaffected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2020-37277

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
PocketMine-MP before 3.15.4 Denial of Service via InventoryTransaction
Source: CVE Program / CVE List V5
Vulnerability Description
PocketMine-MP versions before 3.15.4 contain a denial of service vulnerability in the InventoryTransaction component's findResultItem() method. Malicious clients can send specially crafted InventoryTransactionPackets with multiple conflicting pathways to cause exponential processing complexity, freezing the server.
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
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
pmmp PocketMine-MP 0 ~ 3.15.4 -

II. Public POCs for CVE-2020-37277

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2020-37277

请登录查看更多情报信息。

Patches & Fixes for CVE-2020-37277 (1)

Vendor Advisories for CVE-2020-37277 (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-2022-51008 5.3 MEDIUM PocketMine-MP before 4.12.3 Denial of Service via Unauthenticated Sessions
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-400

V. Comments for CVE-2020-37277

No comments yet

Leave a comment