VDB-311884 · CVE-2025-40585 · ssa-345750

Siemens Energy Services G5DFR default permission

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.8	$5k-$25k	0.00

Summaryinfo

A vulnerability was found in Siemens Energy Services. It has been declared as critical. Affected by this issue is some unknown functionality of the component G5DFR. Executing a manipulation can lead to default permission. The identification of this vulnerability is CVE-2025-40585. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Siemens Energy Services (version now known). It has been declared as very critical. This vulnerability affects some unknown processing of the component G5DFR. The manipulation with an unknown input leads to a default permission vulnerability. The CWE definition for the vulnerability is CWE-276. During installation, installed file permissions are set to allow anyone to modify those files. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A vulnerability has been identified in Energy Services (All versions with G5DFR). Affected solutions using G5DFR contain default credentials. This could allow an attacker to gain control of G5DFR component and tamper with outputs from the device.

The advisory is shared for download at cert-portal.siemens.com. This vulnerability was named CVE-2025-40585 since 04/16/2025. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 06/10/2025). The MITRE ATT&CK project declares the attack technique as T1222.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-17678). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Siemens

Name

Energy Services

License

commercial

Website

Vendor: https://www.siemens.com/

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: 9.9
VulDB Meta Temp Score: 9.9

VulDB Base Score: 9.8
VulDB Temp Score: 9.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 9.9
CNA Vector (siemens): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Default permission
CWE: CWE-276 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/16/2025 🔍
06/10/2025 +55 days 🔍
06/10/2025 +0 days 🔍
06/10/2025 +0 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-345750
Status: Confirmed

CVE: CVE-2025-40585 (🔍)
GCVE (CVE): GCVE-0-2025-40585
GCVE (VulDB): GCVE-100-311884
EUVD: 🔍

Entryinfo

Created: 06/10/2025 17:49
Updated: 06/10/2025 18:58
Changes: 06/10/2025 17:49 (74), 06/10/2025 18:58 (1)
Complete: 🔍
Cache ID: 216::103