Vulnerability · Published May 24, 2023 · Assigned by VulDB

CVE-2023-2872FlexiHub IoControlCode fusbhub.sys 0x220088 null pointer dereference

Medium 5.5

In plain English

A medium-severity null pointer dereference in FlexiHub. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities).

Severity (CVSS 3.1)5.5Medium

Exploit odds (30 days)0.3%top 74.3% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

A vulnerability classified as problematic has been found in FlexiHub 5.5.14691.0. This affects the function 0x220088 in the library fusbhub.sys of the component IoControlCode Handler. The manipulation leads to null pointer dereference. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-229851. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

Vendor	Product	Versions
n/a	FlexiHub	5.5.14691.0

Weakness: CWE-476 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

https://vuldb.com/?id.229851 vdb-entry, technical-description
https://vuldb.com/?ctiid.229851 signature, permissions-required
https://github.com/zeze-zeze/WindowsKernelVuln/blob/master/CVE-2023-2872 related
https://drive.google.com/file/d/1h-7fnmb31bkEW4FoLNDlneftDqS4TQHT/view?usp=sharing exploit