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

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.026 (84.7th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 84.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2022-23884: held from 0.026 to 0.026.

EPSS over last 30 days · oldest: 0.026 · newest: 0.026 · change: 0.000

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.