CVE-2022-0240

Name: CVE-2022-0240
Creator: NVD / NIST
Published: 2022-01-17T14:15:07.987+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.96%

Last modified Jun 17, 2026

CVE-2022-0240 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. mruby is vulnerable to NULL Pointer Dereference. EPSS estimates a 0.96% chance of exploitation in the next 30 days.

Description

mruby is vulnerable to NULL Pointer Dereference

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.96%

57.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Mruby	Mruby	< 3.2

References

https://github.com/mruby/mruby/commit/31fa3304049fc406a201a72293cce140f0557dcaPatch, Third Party Advisory
https://huntr.dev/bounties/5857eced-aad9-417d-864e-0bdf17226cbbExploit, Third Party Advisory
https://github.com/mruby/mruby/commit/31fa3304049fc406a201a72293cce140f0557dcaPatch, Third Party Advisory
https://huntr.dev/bounties/5857eced-aad9-417d-864e-0bdf17226cbbExploit, Third Party Advisory

Timeline

Published: Jan 17, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-0240?

mruby is vulnerable to NULL Pointer Dereference

How severe is CVE-2022-0240?

CVE-2022-0240 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.96% probability of exploitation in the next 30 days.

How do I fix CVE-2022-0240?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-0240?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST