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TI-2021-22602 Aliases CVE-2021-48007GHSA-556r-f58w-q4pf

PocketMine-MP before 3.18.1 Denial of Service via MovePlayerPacket

Priority LOW 32CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0053 45th percentileScored 2026-11-07
Fix Fixed PocketMine-MP (pmmp): 3.18.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
pmmpPocketMine-MPbefore 3.18.13.18.1Patch availableCNA
  • PocketMine-MP Vendorpmmp Affected before 3.18.1 Fixed in 3.18.1 Patch available CNA

Remediation

  • Fix · CNA PocketMine-MP (pmmp) Fixed in 3.18.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-48007
  2. 2026-10-03 Alias added: GHSA-556r-f58w-q4pf

References

Patch 1

Advisory 1

  • TI-2026-58990 PocketMine-MP before 5.41.1 LogDoS via LoginPacket clientData CVSS 4.0HIGH 8.7
  • TI-2026-58988 PocketMine-MP before 5.43.1 Denial of Service via unauthenticated login CVSS 4.0HIGH 8.7
  • TI-2026-58993 PocketMine-MP before 5.39.2 Denial of Service via ModalFormResponsePacket CVSS 4.0HIGH 7.1
  • TI-2024-38460 PocketMine-MP before 5.11.1 Denial of Service via LoginPacket CVSS 4.0HIGH 8.7
  • TI-2023-30643 PocketMine-MP before 4.20.5 Denial of Service via LoginPacket CVSS 4.0HIGH 8.7
  • TI-2023-30640 PocketMine-MP before 5.3.1 Denial of Service via LoginPacket CVSS 4.0HIGH 8.7
See all 32 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences