CVE-2022-51008

MEDIUM 5.3

PocketMine-MP before 4.12.3 Denial of Service via Unauthenticated Sessions

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-770
Vendor	pmmp
Product	pocketmine-mp
Published	Sep 6, 2026
Last Updated	Sep 8, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Affected Versions

pmmp / PocketMine-MP

4.0.0 < 4.12.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-474q-9hgp-hcvx github.com: https://github.com/pmmp/PocketMine-MP/commit/59be901efe6b7833e69e638e0e1497051ce96fa7 vulncheck.com: https://www.vulncheck.com/advisories/pocketmine-mp-before-4.12.3-denial-of-service-via-unauthenticated-sessions

Credits

alvin0319