What is CVE-2023-2871?

CVE-2023-2871 is a low-severity vulnerability in Fabulatech Usb For Remote Desktop, classified under NULL Pointer Dereference. CVSS score: 3.3/10. Published 2023-05-24.

How severe is CVE-2023-2871?

Low severity. CVSS v3 base score is 3.3 out of 10.

Is CVE-2023-2871 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

NULL pointer dereference in Fabulatech Usb For Remote Desktop

CVE-2023-2871

A vulnerability was found in FabulaTech USB for Remote Desktop 6.1.0.0. It has been rated as problematic. Affected by this issue is the function 0x220448/0x220420/0x22040c/0x220408 of the component IoControlCode Handler. The manipulation leads to null pointer dereference. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used. VDB-229850 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Published 2023-05-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.004 (26.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 26.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Fabulatech Usb For Remote Desktop — versions 6.1.0.0
Fabulatech Usb For Remote Desktop — versions 6.1.0.0

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

Public proof-of-concept exploits

zeze-zeze/WindowsKernelVuln

References

vuldb.com/ (technical-description, Third Party Advisory, vdb-entry)
vuldb.com/ (signature, Permissions Required, permissions-required, Third Party Advisory)
github.com/zeze-zeze/WindowsKernelVuln/blob/master/CVE-2023-2871 (related, Exploit, Third Party Advisory)
drive.google.com/file/d/1Y8e5f0AjddrozLv155r9cNhkXwwwZbYE/view (Third Party Advisory, exploit)

Frequently asked questions

What is CVE-2023-2871?: CVE-2023-2871 is a low-severity vulnerability in Fabulatech Usb For Remote Desktop, classified under NULL Pointer Dereference. CVSS score: 3.3/10. Published 2023-05-24.
How severe is CVE-2023-2871?: Low severity. CVSS v3 base score is 3.3 out of 10.
Is CVE-2023-2871 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.