Lexmark Printers Improper Input Validation (CVE-2023-50737)

critical Tenable OT Security Plugin ID 503902

Synopsis

The remote OT asset is affected by a vulnerability.

Description

The SE menu contains information used by Lexmark to diagnose device errors. A vulnerability in one of the SE menu routines can be leveraged by an attacker to execute arbitrary code. Lexmark documentation recommends that access to the SE menu be restricted to trusted personnel.

Solution

Refer to the vendor advisory.

See Also

http://www.nessus.org/u?b9159d69

Plugin Details

Severity: Critical

ID: 503902

Version: 1.3

Type: remote

Family: Tenable.ot

Published: 11/7/2025

Updated: 11/10/2025

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 6.5

CVSS v3

Risk Factor: Critical

Base Score: 9.1

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

Vulnerability Information

CPE: cpe:/o:lexmark:cs439_firmware, cpe:/o:lexmark:mb2338_firmware, cpe:/o:lexmark:cx431_firmware, cpe:/o:lexmark:mx432_firmware, cpe:/o:lexmark:ms631_firmware, cpe:/o:lexmark:xm3142_firmware, cpe:/o:lexmark:mb2546_firmware, cpe:/o:lexmark:mb2770_firmware, cpe:/o:lexmark:mx522_firmware, cpe:/o:lexmark:mc2535_firmware, cpe:/o:lexmark:cs927_firmware, cpe:/o:lexmark:c2326_firmware, cpe:/o:lexmark:xc9265_firmware, cpe:/o:lexmark:xc8155_firmware, cpe:/o:lexmark:ms439_firmware, cpe:/o:lexmark:cx860_firmware, cpe:/o:lexmark:xc4150_firmware, cpe:/o:lexmark:b2546_firmware, cpe:/o:lexmark:c2240_firmware, cpe:/o:lexmark:mx521_firmware, cpe:/o:lexmark:ms531_firmware, cpe:/o:lexmark:c4352_firmware, cpe:/o:lexmark:ms821_firmware, cpe:/o:lexmark:xm5365_firmware, cpe:/o:lexmark:cx820_firmware, cpe:/o:lexmark:b2338_firmware, cpe:/o:lexmark:ms421_firmware, cpe:/o:lexmark:xm1246_firmware, cpe:/o:lexmark:mx931_firmware, cpe:/o:lexmark:cx331_firmware, cpe:/o:lexmark:mb2236_firmware, cpe:/o:lexmark:ms431_firmware, cpe:/o:lexmark:mx721_firmware, cpe:/o:lexmark:xm5370_firmware, cpe:/o:lexmark:m5255_firmware, cpe:/o:lexmark:cs431_firmware, cpe:/o:lexmark:cx622_firmware, cpe:/o:lexmark:cx421_firmware, cpe:/o:lexmark:cx730_firmware, cpe:/o:lexmark:cs531_firmware, cpe:/o:lexmark:m3350_firmware, cpe:/o:lexmark:ms331_firmware, cpe:/o:lexmark:mx532_firmware, cpe:/o:lexmark:cx942_firmware, cpe:/o:lexmark:cs921_firmware, cpe:/o:lexmark:ms826_firmware, cpe:/o:lexmark:cx923_firmware, cpe:/o:lexmark:ms823_firmware, cpe:/o:lexmark:ms632_firmware, cpe:/o:lexmark:xc2326_firmware, cpe:/o:lexmark:xc9335_firmware, cpe:/o:lexmark:cs521_firmware, cpe:/o:lexmark:mb2650_firmware, cpe:/o:lexmark:cx920_firmware, cpe:/o:lexmark:c3326_firmware, cpe:/o:lexmark:c3426_firmware, cpe:/o:lexmark:mx622_firmware, cpe:/o:lexmark:xc9245_firmware, cpe:/o:lexmark:mx632_firmware, cpe:/o:lexmark:m5270_firmware, cpe:/o:lexmark:xc4352_firmware, cpe:/o:lexmark:mc3426_firmware, cpe:/o:lexmark:xc8163_firmware, cpe:/o:lexmark:b2865_firmware, cpe:/o:lexmark:cx922_firmware, cpe:/o:lexmark:cx737_firmware, cpe:/o:lexmark:cx931_firmware, cpe:/o:lexmark:cx943_firmware, cpe:/o:lexmark:mx321_firmware, cpe:/o:lexmark:xm1242_firmware, cpe:/o:lexmark:c6160_firmware, cpe:/o:lexmark:ms622_firmware, cpe:/o:lexmark:xc6152_firmware, cpe:/o:lexmark:xm3350_firmware, cpe:/o:lexmark:cx944_firmware, cpe:/o:lexmark:xc8160_firmware, cpe:/o:lexmark:mc2640_firmware, cpe:/o:lexmark:cx522_firmware, cpe:/o:lexmark:xc9235_firmware, cpe:/o:lexmark:cs730_firmware, cpe:/o:lexmark:cs737_firmware, cpe:/o:lexmark:mx421_firmware, cpe:/o:lexmark:cs622_firmware, cpe:/o:lexmark:mc3326_firmware, cpe:/o:lexmark:xc6153_firmware, cpe:/o:lexmark:cs820_firmware, cpe:/o:lexmark:cs421_firmware, cpe:/o:lexmark:c2335_firmware, cpe:/o:lexmark:cs923_firmware, cpe:/o:lexmark:c4342_firmware, cpe:/o:lexmark:xc9445_firmware, cpe:/o:lexmark:cx725_firmware, cpe:/o:lexmark:b3340_firmware, cpe:/o:lexmark:ms825_firmware, cpe:/o:lexmark:cs727_firmware, cpe:/o:lexmark:ms321_firmware, cpe:/o:lexmark:cs632_firmware, cpe:/o:lexmark:cs735_firmware, cpe:/o:lexmark:xc2335_firmware, cpe:/o:lexmark:mx331_firmware, cpe:/o:lexmark:ms621_firmware, cpe:/o:lexmark:cs943_firmware, cpe:/o:lexmark:c2535_firmware, cpe:/o:lexmark:cs827_firmware, cpe:/o:lexmark:cs720_firmware, cpe:/o:lexmark:xc4153_firmware, cpe:/o:lexmark:cs331_firmware, cpe:/o:lexmark:m1242_firmware, cpe:/o:lexmark:c2425_firmware, cpe:/o:lexmark:mx826_firmware, cpe:/o:lexmark:cx735_firmware, cpe:/o:lexmark:xc4143_firmware, cpe:/o:lexmark:ms521_firmware, cpe:/o:lexmark:c3224_firmware, cpe:/o:lexmark:mx722_firmware, cpe:/o:lexmark:mc2325_firmware, cpe:/o:lexmark:xc4140_firmware, cpe:/o:lexmark:mc2425_firmware, cpe:/o:lexmark:xm3250_firmware, cpe:/o:lexmark:cx825_firmware, cpe:/o:lexmark:mx725_firmware, cpe:/o:lexmark:cs728_firmware, cpe:/o:lexmark:m3250_firmware, cpe:/o:lexmark:c4150_firmware, cpe:/o:lexmark:mb2442_firmware, cpe:/o:lexmark:xm1342_firmware, cpe:/o:lexmark:mx431_firmware, cpe:/o:lexmark:cx727_firmware, cpe:/o:lexmark:cx625_firmware, cpe:/o:lexmark:m1246_firmware, cpe:/o:lexmark:mx822_firmware, cpe:/o:lexmark:b2650_firmware, cpe:/o:lexmark:c2325_firmware, cpe:/o:lexmark:mc3224_firmware, cpe:/o:lexmark:cs725_firmware, cpe:/o:lexmark:b2442_firmware, cpe:/o:lexmark:xm7370_firmware, cpe:/o:lexmark:xm7355_firmware, cpe:/o:lexmark:ms822_firmware, cpe:/o:lexmark:m1342_firmware, cpe:/o:lexmark:xc4342_firmware, cpe:/o:lexmark:b2236_firmware, cpe:/o:lexmark:c9235_firmware, cpe:/o:lexmark:b3442_firmware, cpe:/o:lexmark:ms725_firmware, cpe:/o:lexmark:cx532_firmware, cpe:/o:lexmark:cx921_firmware, cpe:/o:lexmark:xc4240_firmware, cpe:/o:lexmark:cx924_firmware, cpe:/o:lexmark:xc9225_firmware, cpe:/o:lexmark:xc9455_firmware, cpe:/o:lexmark:xc9465_firmware, cpe:/o:lexmark:cx827_firmware, cpe:/o:lexmark:xc9325_firmware, cpe:/o:lexmark:cx635_firmware, cpe:/o:lexmark:mb3442_firmware, cpe:/o:lexmark:xc2235_firmware, cpe:/o:lexmark:xc9255_firmware, cpe:/o:lexmark:cx930_firmware

Required KB Items: Tenable.ot/Lexmark

Patch Publication Date: 1/5/2024

Vulnerability Publication Date: 1/5/2024

Reference Information

CVE: CVE-2023-50737

CWE: 20