CRITICAL

CVE-2022-47949

CVSS v3

9.8

CRITICAL

EPSS Score

43.6%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

The Nintendo NetworkBuffer class, as used in Animal Crossing: New Horizons before 2.0.6 and other products, allows remote attackers to execute arbitrary code via a large UDP packet that causes a buffer overflow, aka ENLBufferPwn. The victim must join a game session with the attacker. Other affected products include Mario Kart 7 before 1.2, Mario Kart 8, Mario Kart 8 Deluxe before 2.1.0, ARMS before 5.4.1, Splatoon, Splatoon 2 before 5.5.1, Splatoon 3 before late 2022, Super Mario Maker 2 before 3.0.2, and Nintendo Switch Sports before late 2022.

Technical details

Published
12/24/2022

Frequently asked questions

What is CVE-2022-47949?

The Nintendo NetworkBuffer class, as used in Animal Crossing: New Horizons before 2.0.6 and other products, allows remote attackers to execute arbitrary code via a large UDP packet that causes a buffer overflow, aka ENLBufferPwn. The victim must join a game session with the attacker. Other affected products include Mario Kart 7 before 1.2, Mario Kart 8, Mario Kart 8 Deluxe before 2.1.0, ARMS before 5.4.1, Splatoon, Splatoon 2 before 5.5.1, Splatoon 3 before late 2022, Super Mario Maker 2 before 3.0.2, and Nintendo Switch Sports before late 2022.

Is CVE-2022-47949 actively exploited?

Active exploitation of CVE-2022-47949 has not been confirmed. The EPSS score is 43.6%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-47949?

CVE-2022-47949 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2022-47949 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.