Siemens SIMATIC Improper Restriction of Operations within the Bounds of a Memory Buffer (CVE-2012-3017)

high Tenable OT Security Plugin ID 500212


The remote OT asset is affected by a vulnerability.


Siemens SIMATIC S7-400 PN CPU devices with firmware 5.x allow remote attackers to cause a denial of service (defect-mode transition and service outage) via (1) malformed HTTP traffic or (2) malformed IP packets.

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Refer to the vendor advisory.

See Also

Plugin Details

Severity: High

ID: 500212

Version: 1.5

Type: remote

Family: Tenable.ot

Published: 2/7/2022

Updated: 12/14/2023

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-2012-3017


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:/o:siemens:simatic_s7-400_cpu_firmware:5.0, cpe:/h:siemens:simatic_s7-400_cpu_416f-3_pn%2fdp, cpe:/h:siemens:simatic_s7-400_cpu_414-3_pn%2fdp, cpe:/h:siemens:simatic_s7-400_cpu_416-3_pn%2fdp

Required KB Items: Tenable.ot/Siemens

Exploit Ease: No known exploits are available

Patch Publication Date: 7/31/2012

Vulnerability Publication Date: 7/31/2012

Reference Information

CVE: CVE-2012-3017

CWE: 119