Lexmark Printers Improper Validation of Integrity Check Value (CVE-2023-50738)

medium Tenable OT Security Plugin ID 503892

Synopsis

The remote OT asset is affected by a vulnerability.

Description

A new feature to prevent Firmware downgrades was recently added to some Lexmark products. A method to override this downgrade protection has been identified. Lexmark documentation recommends that access to the Firmware Updates be restricted to trusted personnel.

Solution

Refer to the vendor advisory.

See Also

http://www.nessus.org/u?d0cd6497

Plugin Details

Severity: Medium

ID: 503892

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: Low

Score: 3.4

CVSS v3

Risk Factor: Medium

Base Score: 4.3

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

Vulnerability Information

CPE: cpe:/o:lexmark:mb2546_firmware, cpe:/o:lexmark:mx610_firmware, cpe:/o:lexmark:c2240_firmware, cpe:/o:lexmark:ms531_firmware, cpe:/o:lexmark:ms431_firmware, cpe:/o:lexmark:xm7270_firmware, cpe:/o:lexmark:xc9455_firmware, cpe:/o:lexmark:ms817_firmware, cpe:/o:lexmark:ms415_firmware, cpe:/o:lexmark:xc2335_firmware, cpe:/o:lexmark:mx810_firmware, cpe:/o:lexmark:cx735_firmware, cpe:/o:lexmark:mc2425_firmware, cpe:/o:lexmark:mx432_firmware, cpe:/o:lexmark:xm9165_firmware, cpe:/o:lexmark:xm5365_firmware, cpe:/o:lexmark:xm9145_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:xc2130_firmware, cpe:/o:lexmark:cx860_firmware, cpe:/o:lexmark:m5163de_firmware, cpe:/o:lexmark:ms821_firmware, cpe:/o:lexmark:xm5270_firmware, cpe:/o:lexmark:cx930_firmware, cpe:/o:lexmark:xm1145_firmware, cpe:/o:lexmark:mx421_firmware, cpe:/o:lexmark:cs421_firmware, cpe:/o:lexmark:mx811_firmware, cpe:/o:lexmark:xc4143_firmware, cpe:/o:lexmark:mc2325_firmware, cpe:/o:lexmark:cx417_firmware, cpe:/o:lexmark:m3150de_firmware, cpe:/o:lexmark:ms421_firmware, cpe:/o:lexmark:ms610dn_firmware, cpe:/o:lexmark:cx921_firmware, cpe:/o:lexmark:xc9465_firmware, cpe:/o:lexmark:mb3442_firmware, cpe:/o:lexmark:mx617_firmware, cpe:/o:lexmark:cx730_firmware, cpe:/o:lexmark:mx912_firmware, cpe:/o:lexmark:cs737_firmware, cpe:/o:lexmark:mc3326_firmware, cpe:/o:lexmark:ms825_firmware, cpe:/o:lexmark:xc2326_firmware, cpe:/o:lexmark:xm7155_firmware, cpe:/o:lexmark:cx410_firmware, cpe:/o:lexmark:mx717_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:mx417_firmware, cpe:/o:lexmark:b2236_firmware, cpe:/o:lexmark:xc4240_firmware, cpe:/o:lexmark:xc9225_firmware, cpe:/o:lexmark:cx622_firmware, cpe:/o:lexmark:cs517_firmware, cpe:/o:lexmark:c3326_firmware, cpe:/o:lexmark:xm3150_firmware, cpe:/o:lexmark:ms810dn_firmware, cpe:/o:lexmark:mc3426_firmware, cpe:/o:lexmark:mx826_firmware, cpe:/o:lexmark:mb2442_firmware, cpe:/o:lexmark:ms812de_firmware, cpe:/o:lexmark:b2442_firmware, cpe:/o:lexmark:b2546_firmware, cpe:/o:lexmark:xm5163_firmware, cpe:/o:lexmark:xc2235_firmware, cpe:/o:lexmark:ms417_firmware, cpe:/o:lexmark:xc9445_firmware, cpe:/o:lexmark:b3340_firmware, cpe:/o:lexmark:ms510_firmware, cpe:/o:lexmark:cs943_firmware, cpe:/o:lexmark:xc4140_firmware, cpe:/o:lexmark:ms822_firmware, cpe:/o:lexmark:cs927_firmware, cpe:/o:lexmark:xm7263_firmware, cpe:/o:lexmark:mx911_firmware, cpe:/o:lexmark:b2338_firmware, cpe:/o:lexmark:cx331_firmware, cpe:/o:lexmark:cs531_firmware, cpe:/o:lexmark:mx611_firmware, cpe:/o:lexmark:m5170_firmware, cpe:/o:lexmark:m3150dn_firmware, cpe:/o:lexmark:ms823_firmware, cpe:/o:lexmark:ms911_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:ms517_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:mx812_firmware, cpe:/o:lexmark:cx517_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:mx710_firmware, cpe:/o:lexmark:ms812dn_firmware, cpe:/o:lexmark:cs510_firmware, cpe:/o:lexmark:mx910_firmware, cpe:/o:lexmark:mx510_firmware, cpe:/o:lexmark:xm3250_firmware, cpe:/o:lexmark:c2132_firmware, cpe:/o:lexmark:ms617_firmware, cpe:/o:lexmark:mx517_firmware, cpe:/o:lexmark:ms811_firmware, cpe:/o:lexmark:cs439_firmware, cpe:/o:lexmark:xc2132_firmware, cpe:/o:lexmark:xc8155_firmware, cpe:/o:lexmark:cx510_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:xm7163_firmware, cpe:/o:lexmark:m5155_firmware, cpe:/o:lexmark:cx431_firmware, cpe:/o:lexmark:mb2770_firmware, cpe:/o:lexmark:xm9155_firmware, cpe:/o:lexmark:c9235_firmware, cpe:/o:lexmark:ms711_firmware, cpe:/o:lexmark:mx718_firmware, cpe:/o:lexmark:cs820_firmware, cpe:/o:lexmark:ms321_firmware, cpe:/o:lexmark:ms632_firmware, cpe:/o:lexmark:ms710_firmware, cpe:/o:lexmark:mx622_firmware, cpe:/o:lexmark:mx410_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:mx6500e_firmware, cpe:/o:lexmark:xc6152_firmware, cpe:/o:lexmark:cs827_firmware, cpe:/o:lexmark:c4150_firmware, cpe:/o:lexmark:cs921_firmware, cpe:/o:lexmark:cs622_firmware, cpe:/o:lexmark:xc6153_firmware, cpe:/o:lexmark:mx511_firmware, cpe:/o:lexmark:xc9245_firmware, cpe:/o:lexmark:ms622_firmware, cpe:/o:lexmark:c2425_firmware, cpe:/o:lexmark:mb2338_firmware, cpe:/o:lexmark:xc4150_firmware, cpe:/o:lexmark:xm7170_firmware, cpe:/o:lexmark:m1140%2b_firmware, cpe:/o:lexmark:xm5170_firmware, cpe:/o:lexmark:c4342_firmware, cpe:/o:lexmark:mx331_firmware, cpe:/o:lexmark:xc9335_firmware, cpe:/o:lexmark:m5163dn_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:ms610de_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:xm1140_firmware, cpe:/o:lexmark:cx532_firmware, cpe:/o:lexmark:ms315_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:ms810de_firmware, cpe:/o:lexmark:xm1246_firmware, cpe:/o:lexmark:mb2236_firmware, cpe:/o:lexmark:cs431_firmware, cpe:/o:lexmark:xc8160_firmware, cpe:/o:lexmark:m1145_firmware, cpe:/o:lexmark:mx711_firmware, cpe:/o:lexmark:xm5263_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-2023-50738

CWE: 1328, 354