CVE-2022-51008

6.9 mediumEPSS 0.5%

Medium (6.9). EPSS 0.5% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

6.9 medium

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 3.1

5.3 medium

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

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 43% of CVEs (scores of 2026-10-31)
CWE: CWE-770
Published: 2026-09-06
Modified: 2026-09-08
Record from: the NVD, synced 2026-10-19

References

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

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