CVE-2020-37277

MEDIUM 6.5

PocketMine-MP before 3.15.4 Denial of Service via InventoryTransaction

CVSS Score

6.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-400
Vendor	pmmp
Product	pocketmine-mp
Published	Sep 6, 2026
Last Updated	Sep 8, 2026

Stay Ahead of the Next One

Get instant alerts for pmmp pocketmine-mp

Be the first to know when new medium vulnerabilities affecting pmmp pocketmine-mp are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Affected Versions

pmmp / PocketMine-MP

0 < 3.15.4

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-8jq6-w5cg-wm45 github.com: https://github.com/pmmp/PocketMine-MP/commit/c368ebb5e74632bc622534b37cd1447b97281e20 vulncheck.com: https://www.vulncheck.com/advisories/pocketmine-mp-before-3.15.4-denial-of-service-via-inventorytransaction

Credits

Muqsit CortexPE