Siemens Siprotec5 Improper Access Control (CVE-2019-10938)

critical Tenable OT Security Plugin ID 500280


The remote OT asset is affected by a vulnerability.


A vulnerability has been identified in SIPROTEC 5 devices with CPU variants CP200 (All versions < V7.59), SIPROTEC 5 devices with CPU variants CP300 and CP100 (All versions < V8.01), Siemens Power Meters Series 9410 (All versions < V2.2.1), Siemens Power Meters Series 9810 (All versions). An unauthenticated attacker with network access to the device could potentially insert arbitrary code which is executed before firmware verification in the device. At the time of advisory publication no public exploitation of this security vulnerability was known. s

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Refer to the vendor advisory.

See Also

Plugin Details

Severity: Critical

ID: 500280

Version: 1.5

Type: remote

Family: Tenable.ot

Published: 2/7/2022

Updated: 11/14/2023

Supported Sensors: Tenable OT Security

Risk Information


Risk Factor: Medium

Score: 5.9


Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2019-10938


Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: cpe:/o:siemens:siprotec_5_firmware

Required KB Items: Tenable.ot/Siemens

Exploit Ease: No known exploits are available

Patch Publication Date: 8/2/2019

Vulnerability Publication Date: 8/2/2019

Reference Information

CVE: CVE-2019-10938