Siemens SINAMICS G220/SINAMICS S200/SINAMICS S210 up to 6.4 HF1 privileges management

CVSS Meta Temp Score
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Siemens SINAMICS G220, SINAMICS S200 and SINAMICS S210 up to 6.4 HF1. The affected element is an unknown function. Such manipulation leads to privileges management. This vulnerability is documented as CVE-2025-40594. The attack needs to be performed locally. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Siemens SINAMICS G220, SINAMICS S200 and SINAMICS S210 up to 6.4 HF1 and classified as critical. Affected by this issue is an unknown part. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A vulnerability has been identified in SINAMICS G220 V6.4 (All versions < V6.4 HF2), SINAMICS S200 V6.4 (All versions < V6.4 HF7), SINAMICS S210 V6.4 (All versions < V6.4 HF2). The affected devices allow a factory reset to be executed without the required privileges due to improper privilege management as well as manipulation of configuration data because of leaked privileges of previous sessions. This could allow an unauthorized attacker to escalate their privileges.

The advisory is available at cert-portal.siemens.com. This vulnerability is handled as CVE-2025-40594 since 04/16/2025. The exploitation is known to be difficult. Local access is required to approach this attack. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 03/10/2026). This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

Upgrading to version 6.4 HF2 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.8

VulDB Base Score: 4.5
VulDB Temp Score: 4.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔒

CNA Base Score: 6.3
CNA Vector (siemens): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: SINAMICS G220/SINAMICS S200/SINAMICS S210 6.4 HF2

Timelineinfo

04/16/2025 CVE reserved
09/09/2025 +146 days Advisory disclosed
09/09/2025 +0 days VulDB entry created
03/10/2026 +182 days VulDB entry last update

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-027652
Status: Confirmed

CVE: CVE-2025-40594 (🔒)
GCVE (CVE): GCVE-0-2025-40594
GCVE (VulDB): GCVE-100-323186

Entryinfo

Created: 09/09/2025 12:13
Updated: 03/10/2026 23:00
Changes: 09/09/2025 12:13 (76), 10/20/2025 22:03 (11), 03/10/2026 23:00 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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