CVE-2022-43589

Name: CVE-2022-43589
Creator: NVD / NIST
Published: 2022-11-28T11:15:10.7+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.33%

Last modified Jun 17, 2026

CVE-2022-43589 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A null pointer dereference vulnerability exists in the handle_ioctl_8314C functionality of Callback technologies CBFS Filter 20.0.8317. A specially crafted I/O request packet (IRP) can lead to denial of service. EPSS estimates a 0.33% chance of exploitation in the next 30 days.

Description

A null pointer dereference vulnerability exists in the handle_ioctl_8314C functionality of Callback technologies CBFS Filter 20.0.8317. A specially crafted I/O request packet (IRP) can lead to denial of service. An attacker can issue an ioctl to trigger this vulnerability.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.33%

24.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Callback	Cbfs Filter	20.0.8317

References

https://talosintelligence.com/vulnerability_reports/TALOS-2022-1648Exploit, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2022-1648Exploit, Third Party Advisory

Timeline

Published: Nov 28, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-43589?

How severe is CVE-2022-43589?

CVE-2022-43589 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.33% probability of exploitation in the next 30 days.

How do I fix CVE-2022-43589?

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-2022-43589?

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

Scan your code now

Source: NVD / NIST