Siemens SIPROTEC 5 Use of GET Request Method With Sensitive Query Strings (CVE-2025-40742)

medium Tenable OT Security Plugin ID 504806

Synopsis

The remote OT asset is affected by a vulnerability.

Description

The affected devices include session identifiers in URL requests for certain functionalities. This could allow an attacker to retrieve sensitive session data from browser history, logs, or other storage mechanisms, potentially leading to unauthorized access.

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: Medium

ID: 504806

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 11/18/2025

Updated: 11/18/2025

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v3

Risk Factor: Medium

Base Score: 5.3

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

Vulnerability Information

CPE: cpe:/o:siemens:siprotec_5_7sa86_%28cp300%29_firmware, cpe:/o:siemens:siprotec_5_7sk85_%28cp300%29_firmware, cpe:/o:siemens:siprotec_5_7vk87_%28cp300%29_firmware, cpe:/o:siemens:siprotec_5_7ut87_%28cp300%29_firmware, cpe:/o:siemens:siprotec_5_7um85_%28cp300%29_firmware, cpe:/o:siemens:siprotec_5_7sk82_%28cp150%29_firmware, cpe:/o:siemens:siprotec_5_7ut85_%28cp300%29_firmware, cpe:/o:siemens:siprotec_5_7sd86_%28cp300%29_firmware, cpe:/o:siemens:siprotec_5_7ss85_%28cp300%29_firmware, cpe:/o:siemens:siprotec_5_compact_7sx800_%28cp050%29_firmware, cpe:/o:siemens:siprotec_5_7sj85_%28cp300%29_firmware, cpe:/o:siemens:siprotec_5_6md86_%28cp300%29_firmware, cpe:/o:siemens:siprotec_5_7sd82_%28cp100%29_firmware, cpe:/o:siemens:siprotec_5_7sl87_%28cp300%29_firmware, cpe:/o:siemens:siprotec_5_6mu85_%28cp300%29_firmware, cpe:/o:siemens:siprotec_5_7sj82_%28cp150%29_firmware, cpe:/o:siemens:siprotec_5_6md89_%28cp300%29_firmware, cpe:/o:siemens:siprotec_5_6md85_%28cp300%29_firmware, cpe:/o:siemens:siprotec_5_7sx82_%28cp150%29_firmware, cpe:/o:siemens:siprotec_5_7sj86_%28cp300%29_firmware, cpe:/o:siemens:siprotec_5_7sa82_%28cp150%29_firmware, cpe:/o:siemens:siprotec_5_6md84_%28cp300%29_firmware, cpe:/o:siemens:siprotec_5_7ke85_%28cp300%29_firmware, cpe:/o:siemens:siprotec_5_7sk82_%28cp100%29_firmware, cpe:/o:siemens:siprotec_5_7ut82_%28cp100%29_firmware, cpe:/o:siemens:siprotec_5_7vu85_%28cp300%29_firmware, cpe:/o:siemens:siprotec_5_7ut82_%28cp150%29_firmware, cpe:/o:siemens:siprotec_5_7sy82_%28cp150%29_firmware, cpe:/o:siemens:siprotec_5_7sl86_%28cp300%29_firmware, cpe:/o:siemens:siprotec_5_7ve85_%28cp300%29_firmware, cpe:/o:siemens:siprotec_5_7sd87_%28cp300%29_firmware, cpe:/o:siemens:siprotec_5_7sl82_%28cp150%29_firmware, cpe:/o:siemens:siprotec_5_7sa82_%28cp100%29_firmware, cpe:/o:siemens:siprotec_5_7sa87_%28cp300%29_firmware, cpe:/o:siemens:siprotec_5_7sj81_%28cp150%29_firmware, cpe:/o:siemens:siprotec_5_7st85_%28cp300%29_firmware, cpe:/o:siemens:siprotec_5_7st86_%28cp300%29_firmware, cpe:/o:siemens:siprotec_5_7sl82_%28cp100%29_firmware, cpe:/o:siemens:siprotec_5_7sx85_%28cp300%29_firmware, cpe:/o:siemens:siprotec_5_7sj81_%28cp100%29_firmware, cpe:/o:siemens:siprotec_5_7ut86_%28cp300%29_firmware, cpe:/o:siemens:siprotec_5_7sd82_%28cp150%29_firmware, cpe:/o:siemens:siprotec_5_7sj82_%28cp100%29_firmware

Required KB Items: Tenable.ot/Siemens

Exploit Ease: No known exploits are available

Patch Publication Date: 7/8/2025

Vulnerability Publication Date: 7/8/2025

Reference Information

CVE: CVE-2025-40742

CWE: 598

Detections

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