CVE-2023-1643

Name: CVE-2023-1643
Creator: NVD / NIST
Published: 2023-03-26T22:15:07.077+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.33%

Last modified Jun 17, 2026

CVE-2023-1643 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A vulnerability has been found in IObit Malware Fighter 9.4.0.776 and classified as problematic. Affected by this vulnerability is the function 0x8001E000/0x8001E004/0x8001E018/0x8001E01C/0x8001E024/0x8001E040 in the library ImfHpRegFilter.sys of the component IOCTL Handler. EPSS estimates a 0.33% chance of exploitation in the next 30 days.

Description

A vulnerability has been found in IObit Malware Fighter 9.4.0.776 and classified as problematic. Affected by this vulnerability is the function 0x8001E000/0x8001E004/0x8001E018/0x8001E01C/0x8001E024/0x8001E040 in the library ImfHpRegFilter.sys of the component IOCTL Handler. The manipulation leads to denial of service. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-224023.

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%

24.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Iobit	Malware Fighter	9.4.0.776

References

https://drive.google.com/file/d/1dHdltwenfMdwAPeb3JPex0fHxfK_iLYh/viewProduct, Third Party Advisory
https://github.com/zeze-zeze/WindowsKernelVuln/tree/master/CVE-2023-1643Exploit, Third Party Advisory
https://vuldb.com/?ctiid.224023Third Party Advisory
https://vuldb.com/?id.224023Third Party Advisory
https://drive.google.com/file/d/1dHdltwenfMdwAPeb3JPex0fHxfK_iLYh/viewProduct, Third Party Advisory
https://github.com/zeze-zeze/WindowsKernelVuln/tree/master/CVE-2023-1643Exploit, Third Party Advisory
https://vuldb.com/?ctiid.224023Third Party Advisory
https://vuldb.com/?id.224023Third Party Advisory

Timeline

Published: Mar 26, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-1643?

How severe is CVE-2023-1643?

CVE-2023-1643 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-2023-1643?

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-2023-1643?

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

Scan your code now

Source: NVD / NIST