What is CVE-2022-51008?

CVE-2022-51008 is a medium-severity vulnerability in Pmmp Pocketmine-Mp, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.3/10. Published 2026-09-06.

How severe is CVE-2022-51008?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Resource exhaustion in Pmmp Pocketmine-Mp

CVE-2022-51008

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.

Published 2026-09-06 · last modified 2026-09-08.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.003 (20.5th percentile), scored 2026-10-22.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 20.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Pmmp Pocketmine-Mp

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

github.com/pmmp/PocketMine-MP/commit/59be901efe6b7833e69e638e0e1497051ce96fa7 (patch)
github.com/pmmp/PocketMine-MP/security/advisories/GHSA-474q-9hgp-hcvx (vendor-advisory)
www.vulncheck.com/advisories/pocketmine-mp-before-4.12.3-denial-of-service-via-… (third-party-advisory)

Frequently asked questions

What is CVE-2022-51008?: CVE-2022-51008 is a medium-severity vulnerability in Pmmp Pocketmine-Mp, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.3/10. Published 2026-09-06.
How severe is CVE-2022-51008?: Medium severity. CVSS v3 base score is 5.3 out of 10.