Moxa EDR-810 Web RSA Key Generation Command Injection (CVE-2017-12121)

high Tenable OT Security Plugin ID 501527

Synopsis

The remote OT asset is affected by a vulnerability.

Description

An exploitable command injection vulnerability exists in the web server functionality of Moxa EDR-810 V4.1 build 17030317. A specially crafted HTTP POST can cause a privilege escalation resulting in root shell. An attacker can inject OS commands into the rsakey\_name= parm in the /goform/WebRSAKEYGen uri to trigger this 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.

Plugin Details

Severity: High

ID: 501527

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 8/2/2023

Updated: 8/3/2023

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 7

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

CVSS Score Source: CVE-2017-12121

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

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

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:moxa:edr-810_firmware:4.1

Required KB Items: Tenable.ot/Moxa

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/14/2018

Vulnerability Publication Date: 5/14/2018

Reference Information

CVE: CVE-2017-12121

CWE: 78

Detections

Analytics