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Lexmark Printers Improper Restriction of Operations within the Bounds of a Memory Buffer (CVE-2018-15520)

critical Tenable OT Security Plugin ID 505905

Synopsis

The remote OT asset is affected by a vulnerability.

Description

Various Lexmark devices have a Buffer Overflow vulnerability.

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://www.nessus.org/u?efad45dc

Plugin Details

Severity: Critical

ID: 505905

File Name: tenable_ot_lexmarkinternational_CVE-2018-15520.nasl

Version: 1.1

Type: Remote

Family: Tenable.ot

Published: 7/31/2026

Updated: 7/31/2026

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.15

CVSS v2

Risk Factor: High

Base Score: 7.5

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

CVSS Score Source: CVE-2018-15520

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:cx421_firmware, cpe:/o:lexmark:cx522_firmware, cpe:/o:lexmark:cx62x_firmware, cpe:/o:lexmark:cx72x_firmware, cpe:/o:lexmark:cx82x_firmware, cpe:/o:lexmark:cx860_firmware, cpe:/o:lexmark:cx92x_firmware, cpe:/o:lexmark:mb2338_firmware, cpe:/o:lexmark:mb2442_firmware, cpe:/o:lexmark:mb2546_firmware, cpe:/o:lexmark:mb2650_firmware, cpe:/o:lexmark:mb2770_firmware, cpe:/o:lexmark:mc2325_firmware, cpe:/o:lexmark:mc2425_firmware, cpe:/o:lexmark:mc2535_firmware, cpe:/o:lexmark:mc2640_firmware, cpe:/o:lexmark:mx321_firmware, cpe:/o:lexmark:mx42x_firmware, cpe:/o:lexmark:mx52x_firmware, cpe:/o:lexmark:mx622_firmware, cpe:/o:lexmark:mx72x_firmware, cpe:/o:lexmark:mx82x_firmware, cpe:/o:lexmark:xc2235_firmware, cpe:/o:lexmark:xc41x0_firmware, cpe:/o:lexmark:xc4240_firmware, cpe:/o:lexmark:xc6152_firmware, cpe:/o:lexmark:xc8155_firmware, cpe:/o:lexmark:xc8160_firmware, cpe:/o:lexmark:xc92x5_firmware, cpe:/o:lexmark:xm124x_firmware, cpe:/o:lexmark:xm3250_firmware, cpe:/o:lexmark:xm5370_firmware, cpe:/o:lexmark:xm7355_firmware, cpe:/o:lexmark:xm7370_firmware

Required KB Items: Tenable.ot/LexmarkInternational

Exploit Ease: No known exploits are available

Patch Publication Date: 6/28/2019

Vulnerability Publication Date: 6/28/2019

Reference Information

CVE: CVE-2018-15520

CWE: 119