CVE-2023-54355

HighCVSS 7.5/10Last modified Oct 8, 2026

Description

PocketMine-MP versions before 5.3.1 and 4.23.1 fail to validate that the identityPublicKey in LoginPacket uses the required secp384r1 elliptic curve. Attackers can provide LoginPackets with keys using different curves or non-EC key types to pass login verification but trigger an uncaught exception during ECDH key derivation, crashing the server.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-347

Affected software

No affected versions have been published.

Timeline

Published: Sep 9, 2026
Last modified: Oct 8, 2026
NVD status: Deferred

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