Moxa EDR-810 Web Server strcmp Denial of Service (CVE-2017-14436)

high Tenable OT Security Plugin ID 501446


The remote OT asset is affected by a vulnerability.


An exploitable denial of service vulnerability exists in the web server functionality of Moxa EDR-810 V4.1 build 17030317. A specially crafted HTTP URI can cause a null pointer dereference resulting in denial of service. An attacker can send a GET request to /MOXA\_CFG2.ini without a cookie header to trigger this vulnerability.

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Refer to the vendor advisory.

See Also

Plugin Details

Severity: High

ID: 501446

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 8/2/2023

Updated: 8/3/2023

Supported Sensors: Tenable OT Security

Risk Information


Risk Factor: Medium

Score: 4.4


Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2017-14436


Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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-2017-14436

CWE: 476