Integer overflow in Minecraft Bedrock Server

CVE-2022-23884

Mojang Bedrock Dedicated Server 1.18.2 is affected by an integer overflow leading to a bound check bypass caused by PurchaseReceiptPacket::_read (packet deserializer).

Vulnerability class: Integer Overflow

EPSS: 0.025 (83.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-23884?
CVE-2022-23884 is a critical-severity vulnerability in Minecraft Bedrock Server, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2022-03-28.
How severe is CVE-2022-23884?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-23884 known to be exploited?
13 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.