Mitsubishi MELSEC Resource Management Errors (CVE-2015-3938)

high Tenable OT Security Plugin ID 500557


The remote OT asset is affected by a vulnerability.


The HTTP application on Mitsubishi Electric MELSEC FX3G PLC devices before April 2015 allows remote attackers to cause a denial of service (device outage) via a long parameter.

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Refer to the vendor advisory.

See Also

Plugin Details

Severity: High

ID: 500557

Version: 1.6

Type: remote

Family: Tenable.ot

Published: 2/7/2022

Updated: 1/22/2024

Supported Sensors: Tenable OT Security

Risk Information


Risk Factor: Low

Score: 3.6


Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2015-3938


Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/h:mitsubishi_electric:melsec_fx3g_series:-

Required KB Items: Tenable.ot/Mitsubishi

Exploit Ease: No known exploits are available

Patch Publication Date: 10/6/2015

Vulnerability Publication Date: 10/6/2015

Reference Information

CVE: CVE-2015-3938

CWE: 399