Lexmark Printers Heap-based Buffer Overflow (CVE-2023-50739)

high Tenable OT Security Plugin ID 503889

Synopsis

The remote OT asset is affected by a vulnerability.

Description

A buffer overflow vulnerability has been identified in the Internet Printing Protocol (IPP) in various Lexmark devices. The vulnerability can be leveraged by an attacker to execute arbitrary code.

Solution

Refer to the vendor advisory.

See Also

http://www.nessus.org/u?9dc4cc4e

Plugin Details

Severity: High

ID: 503889

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: 5.9

CVSS v3

Risk Factor: High

Base Score: 8.8

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

Vulnerability Information

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

Required KB Items: Tenable.ot/Lexmark

Patch Publication Date: 12/20/2023

Vulnerability Publication Date: 12/20/2023

Reference Information

CVE: CVE-2023-50739

CWE: 122