CVE-2023-54394

MEDIUM 4.3

PocketMine-MP before 4.18.0-ALPHA2 Bandwidth Amplification via InventoryTransactionPacket

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

PocketMine-MP before 4.18.0-ALPHA2 fails to rate-limit mismatch type InventoryTransactionPacket requests, allowing attackers to trigger excessive inventory synchronization. Attackers can send numerous mismatch transactions to force the server to transmit large amounts of serialized inventory data, consuming significant bandwidth without authentication.

CWE	CWE-770
Vendor	pmmp
Product	pocketmine-mp
Published	Sep 9, 2026
Last Updated	Sep 9, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Affected Versions

pmmp / PocketMine-MP

0 < 4.18.0-ALPHA2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-42qm-8v8m-m78c github.com: https://github.com/pmmp/PocketMine-MP/commit/ca6d51498f12427a947467da8fcad7811418e6cc vulncheck.com: https://www.vulncheck.com/advisories/pocketmine-mp-before-4.18.0-alpha2-bandwidth-amplification-via-inventorytransactionpacket

Credits

dktapps