CVE-2023-1491

Max Secure Anti Virus Plus IoControlCode MaxCryptMon.sys 0x220020 access control

4.4 Medium

A vulnerability was found in Max Secure Anti Virus Plus 19.0.2.1. It has been classified as critical. This affects the function 0x220020 in the library MaxCryptMon.sys of the component IoControlCode Handler. The manipulation leads to improper access controls. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The identifier VDB-223377 was assigned to this vulnerability.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: Low
Availability: Low

Exploit likelihood

0.30%Up 0.3 points since Mar 19, 2023

What each source reports

CVE List Score used 4.4

Max Secure Anti Virus Plus IoControlCode MaxCryptMon.sys 0x220020 access control

Record: CVE-2023-1491
CVSS 3.1: 4.4 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
CVSS 3.0: 4.4 MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
CVSS 2.0: 3.2 AV:L/AC:L/Au:S/C:N/I:P/A:P
Weakness: CWE-284
Updated: 2026-11-02

EUVDEUVD-2023-23739 4.4

Record: EUVD-2023-23739
CVSS 3.1: 4.4 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Updated: 2026-11-03

GitHub AdvisoriesGHSA-f57v-37vr-p3jw 5.5

A vulnerability was found in Max Secure Anti Virus Plus 19.0.2.1. It has been classified as...

A vulnerability was found in Max Secure Anti Virus Plus 19.0.2.1. It has been classified as critical. This affects an unknown part in the library MaxCryptMon.sys of the component IoControlCode Handler. The manipulation leads to improper access controls. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The identifier VDB-223377 was assigned to this vulnerability.

Record: GHSA-f57v-37vr-p3jw
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Weakness: CWE-284
Updated: 2026-11-02

NVD 4.4

Record: CVE-2023-1491
CVSS 3.1: 4.4 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CVSS 2.0: 3.2 LowAV:L/AC:L/Au:S/C:N/I:P/A:P
Weakness: CWE-284
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-1491 is a medium vulnerability (CVSS 4.4) in Max Secure Anti Virus Plus, published March 18, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.30%, the 23rd percentile. No source names a fixed version.