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.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/pmmp/PocketMine-MP/commit/fb20bb38327b4c08ee3976640cd0dd547388a638
https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-fm35-jgg3-3grx
https://www.vulncheck.com/advisories/pocketmine-mp-before-3.18.1-denial-of-service-via-moveplayerpacket

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-06 12:17

Updated : 2026-09-09 14:17

NVD link : CVE-2021-48007

Mitre link : CVE-2021-48007

CVE.ORG link : CVE-2021-48007

JSON object : View

Products Affected

No product.

CWE

CWE-20

Improper Input Validation

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