EPSON Printers Uncontrolled Search Path Element (CVE-2020-5674)

high Tenable OT Security Plugin ID 505074

Synopsis

The remote OT asset is affected by a vulnerability.

Description

Untrusted search path vulnerability in the installers of multiple SEIKO EPSON products allows an attacker to gain privileges via a Trojan horse DLL in an unspecified directory.

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

https://jvn.jp/en/jp/JVN26835001/index.html

https://www.epson.jp/support/misc_t/201119_oshirase.htm

https://www.epson.jp/support/pdf/fy20-001_softwareList_20201106_b.pdf

Plugin Details

Severity: High

ID: 505074

File Name: tenable_ot_epson_CVE-2020-5674.nasl

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 2/5/2026

Updated: 2/5/2026

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 4.4

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

CVSS Score Source: CVE-2020-5674

CVSS v3

Risk Factor: High

Base Score: 7.8

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

Vulnerability Information

CPE: cpe:/o:epson:ec-01_firmware:-

Required KB Items: Tenable.ot/EPSON

Exploit Ease: No known exploits are available

Patch Publication Date: 11/24/2020

Vulnerability Publication Date: 11/24/2020

Reference Information

CVE: CVE-2020-5674

CWE: 427