Detections
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Lexmark Printers Cross-site Scripting (CVE-2019-18791)

medium Tenable OT Security Plugin ID 503858

Synopsis

The remote OT asset is affected by a vulnerability.

Description

Lexmark printer MS812 and multiple older generation Lexmark devices have a stored XSS vulnerability in the embedded web server. The vulnerability can be exploited to expose session credentials and other information via the users web browser.

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.

See Also

http://support.lexmark.com/alerts/

http://www.nessus.org/u?07ccc3ae

Plugin Details

Severity: Medium

ID: 503858

Version: 1.2

Type: remote

Family: Tenable.ot

Published: 11/5/2025

Updated: 12/2/2025

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Low

Score: 3.0

CVSS v2

Risk Factor: Low

Base Score: 3.5

Vector: CVSS2#AV:N/AC:M/Au:S/C:N/I:P/A:N

CVSS Score Source: CVE-2019-18791

CVSS v3

Risk Factor: Medium

Base Score: 5.4

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

Vulnerability Information

CPE: cpe:/o:lexmark:m5155_firmware, cpe:/o:lexmark:xc2132_firmware, cpe:/o:lexmark:mx410_firmware, cpe:/o:lexmark:m1145_firmware, cpe:/o:lexmark:xc2130_firmware, cpe:/o:lexmark:xm1145_firmware, cpe:/o:lexmark:ms810_firmware, cpe:/o:lexmark:mx31x_firmware, cpe:/o:lexmark:mx610_firmware, cpe:/o:lexmark:xm1140_firmware, cpe:/o:lexmark:xm91x_firmware, cpe:/o:lexmark:x95x_firmware, cpe:/o:lexmark:m5163_firmware, cpe:/o:lexmark:c748_firmware, cpe:/o:lexmark:xs548_firmware, cpe:/o:lexmark:m3150_firmware, cpe:/o:lexmark:ms315_firmware, cpe:/o:lexmark:x86x_firmware, cpe:/o:lexmark:x792_firmware, cpe:/o:lexmark:xs95x_firmware, cpe:/o:lexmark:xm51xx_firmware, cpe:/o:lexmark:ms410_firmware, cpe:/o:lexmark:ms817_firmware, cpe:/o:lexmark:m1140_firmware, cpe:/o:lexmark:c925_firmware, cpe:/o:lexmark:c734_firmware, cpe:/o:lexmark:ms91x_firmware, cpe:/o:lexmark:mx611_firmware, cpe:/o:lexmark:x548_firmware, cpe:/o:lexmark:cx31x_firmware, cpe:/o:lexmark:ms810de_firmware, cpe:/o:lexmark:c746_firmware, cpe:/o:lexmark:x65x_firmware, cpe:/o:lexmark:xm71xx_firmware, cpe:/o:lexmark:ms312_firmware, cpe:/o:lexmark:c792_firmware, cpe:/o:lexmark:ms417_firmware, cpe:/o:lexmark:m5170_firmware, cpe:/o:lexmark:ms317_firmware, cpe:/o:lexmark:ms310_firmware, cpe:/o:lexmark:cx310_firmware, cpe:/o:lexmark:cx41x_firmware, cpe:/o:lexmark:ms51x_firmware, cpe:/o:lexmark:ms71x_firmware, cpe:/o:lexmark:x74x_firmware, cpe:/o:lexmark:cx51x_firmware, cpe:/o:lexmark:ms812_firmware, cpe:/o:lexmark:mx71x_firmware, cpe:/o:lexmark:x73x_firmware, cpe:/o:lexmark:xm3150_firmware, cpe:/o:lexmark:x46x_firmware, cpe:/o:lexmark:xs748_firmware, cpe:/o:lexmark:cx410_firmware, cpe:/o:lexmark:c950_firmware, cpe:/o:lexmark:cs748_firmware, cpe:/o:lexmark:ms415_firmware, cpe:/o:lexmark:ms610de_firmware, cpe:/o:lexmark:m5163dn_firmware, cpe:/o:lexmark:ms812de_firmware, cpe:/o:lexmark:mx511_firmware, cpe:/o:lexmark:mx6500e_firmware, cpe:/o:lexmark:cx510_firmware, cpe:/o:lexmark:mx81x_firmware, cpe:/o:lexmark:x925_firmware, cpe:/o:lexmark:xm1135_firmware, cpe:/o:lexmark:cs796_firmware, cpe:/o:lexmark:ms610dn_firmware, cpe:/o:lexmark:xs79x_firmware, cpe:/o:lexmark:ms818_firmware, cpe:/o:lexmark:m3150dn_firmware, cpe:/o:lexmark:xs925_firmware, cpe:/o:lexmark:ms617_firmware, cpe:/o:lexmark:ms811_firmware, cpe:/o:lexmark:mx91x_firmware, cpe:/o:lexmark:mx510_firmware, cpe:/o:lexmark:c736_firmware

Required KB Items: Tenable.ot/LexmarkInternational

Exploit Ease: No known exploits are available

Patch Publication Date: 2/13/2020

Vulnerability Publication Date: 2/13/2020

Reference Information

CVE: CVE-2019-18791

CWE: 79