Lexmark Printers Improper Authentication (CVE-2021-44736)

critical Tenable OT Security Plugin ID 503874

Synopsis

The remote OT asset is affected by a vulnerability.

Description

The initial admin account setup wizard on Lexmark devices allow unauthenticated access to the out of service erase feature.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Refer to the vendor advisory.

Plugin Details

Severity: Critical

ID: 503874

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 11/5/2025

Updated: 11/5/2025

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Critical

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2021-44736

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vulnerability Information

CPE: cpe:/o:lexmark:mc3224i_firmware:-

Required KB Items: Tenable.ot/Lexmark

Exploit Ease: No known exploits are available

Patch Publication Date: 1/20/2022

Vulnerability Publication Date: 1/20/2022

Reference Information

CVE: CVE-2021-44736

CWE: 287

Detections

Analytics