What is CVE-2021-48007?

CVE-2021-48007 is a medium-severity vulnerability in Pmmp Pocketmine-Mp, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2026-09-06.

How severe is CVE-2021-48007?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Improper input validation in Pmmp Pocketmine-Mp

CVE-2021-48007

PocketMine-MP versions before 3.18.1 fail to validate NaN or INF values in MovePlayerPacket position and rotation fields. Malicious clients can send crafted movement packets with invalid floating-point values to crash servers through unhandled mathematical operations or prevent clients from rendering other players.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Pmmp Pocketmine-mp

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2021-48007?: CVE-2021-48007 is a medium-severity vulnerability in Pmmp Pocketmine-Mp, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2026-09-06.
How severe is CVE-2021-48007?: Medium severity. CVSS v3 base score is 6.5 out of 10.