CVE-2023-2873

Name: CVE-2023-2873
Creator: NVD / NIST
Published: 2023-05-24T18:15:10.493+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.36%

Last modified Jun 17, 2026

CVE-2023-2873 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A vulnerability classified as critical was found in Twister Antivirus 8. This vulnerability affects the function 0x804f2143/0x804f217f/0x804f214b/0x80800043 in the library filppd.sys of the component IoControlCode Handler. EPSS estimates a 0.36% chance of exploitation in the next 30 days.

Description

A vulnerability classified as critical was found in Twister Antivirus 8. This vulnerability affects the function 0x804f2143/0x804f217f/0x804f214b/0x80800043 in the library filppd.sys of the component IoControlCode Handler. The manipulation leads to memory corruption. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-229852. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.36%

28.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Filseclab	Twister Antivirus	>= 8.0, <= 8.17

References

https://drive.google.com/file/d/1ABRMxr6Ek02P_WAXjyYLGQ4sHYMVQTka/view?usp=sharingExploit, Third Party Advisory
https://github.com/zeze-zeze/WindowsKernelVuln/blob/master/CVE-2023-2873Exploit, Third Party Advisory
https://vuldb.com/?ctiid.229852Permissions Required, Third Party Advisory
https://vuldb.com/?id.229852Third Party Advisory
https://drive.google.com/file/d/1ABRMxr6Ek02P_WAXjyYLGQ4sHYMVQTka/view?usp=sharingExploit, Third Party Advisory
https://github.com/zeze-zeze/WindowsKernelVuln/blob/master/CVE-2023-2873Exploit, Third Party Advisory
https://vuldb.com/?ctiid.229852Permissions Required, Third Party Advisory
https://vuldb.com/?id.229852Third Party Advisory

Timeline

Published: May 24, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-2873?

How severe is CVE-2023-2873?

CVE-2023-2873 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.36% probability of exploitation in the next 30 days.

How do I fix CVE-2023-2873?

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-2023-2873?

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

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Source: NVD / NIST