pmmp PocketMine-MP up to 3.18.0 MovePlayerPacket position/rotation input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.42+

Summaryinfo

A vulnerability categorized as problematic has been discovered in pmmp PocketMine-MP up to 3.18.0. This issue affects some unknown processing of the component MovePlayerPacket. The manipulation of the argument position/rotation results in input validation. This vulnerability is cataloged as CVE-2021-48007. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in pmmp PocketMine-MP up to 3.18.0. Affected is an unknown functionality of the component MovePlayerPacket. The manipulation of the argument position/rotation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on availability. CVE summarizes:

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.

The advisory is available at github.com. This vulnerability is traded as CVE-2021-48007 since 09/05/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. Technical details are known, but there is no available exploit.

Upgrading to version 3.18.1 eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.5
CNA Vector (VulnCheck): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: PocketMine-MP 3.18.1

Timelineinfo

09/05/2026 CVE reserved
09/06/2026 +1 days Advisory disclosed
09/06/2026 +0 days VulDB entry created
09/06/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2021-48007 (🔒)
GCVE (CVE): GCVE-0-2021-48007
GCVE (VulDB): GCVE-100-399414

Entryinfo

Created: 09/06/2026 14:19
Changes: 09/06/2026 14:19 (77)
Complete: 🔍
Cache ID: 216::103

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