CVE-2022-51008 PUBLISHED

PocketMine-MP before 4.12.3 Denial of Service via Unauthenticated Sessions

Assigner: VulnCheck
Reserved: 05.09.2026 Published: 06.09.2026 Updated: 06.09.2026

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.

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CVSS Score: 6.9

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	Low	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS Score: 5.3

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	None	Integrity Impact	None
User Interaction	None	Availability Impact	Low

CVSS 3.1

Product Status

Vendor	pmmp
Product	PocketMine-MP
Versions	Default: unaffected affected from 4.0.0 to 4.12.3 (excl.) Version 4.12.3 is unaffected

CVE-2022-51008 PUBLISHED

PocketMine-MP before 4.12.3 Denial of Service via Unauthenticated Sessions

Metrics

Product Status

Credits

References

Problem Types