VDB-313851 · CVE-2025-41647 · VDE-2025-043

Lenze PLC Designer V4 up to 4.0.0 cleartext storage

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.
4.3	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic has been found in Lenze PLC Designer V4 up to 4.0.0. Affected is an unknown function. Performing a manipulation results in cleartext storage. This vulnerability is identified as CVE-2025-41647. The attack is only possible with local access. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Lenze PLC Designer V4 up to 4.0.0. This affects some unknown processing. The manipulation with an unknown input leads to a cleartext storage vulnerability. CWE is classifying the issue as CWE-312. The product stores sensitive information in cleartext within a resource that might be accessible to another control sphere. This is going to have an impact on confidentiality. The summary by CVE is:

A local, low-privileged attacker can learn the password of the connected controller in PLC Designer V4 due to an incorrect implementation that results in the password being displayed in plain text under special conditions.

It is possible to read the advisory at certvde.com. This vulnerability is uniquely identified as CVE-2025-41647 since 04/16/2025. The exploitability is told to be easy. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1555 according to MITRE ATT&CK.

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-2025-19082). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Lenze

Name

PLC Designer V4

Version

CPE 2.3info

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CPE 2.2info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.5
CNA Vector (CERTVDE): 🔍

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: Cleartext storage
CWE: CWE-312 / CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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 🔍
06/25/2025 +70 days 🔍
06/25/2025 +0 days 🔍
06/25/2025 +0 days 🔍

Sourcesinfo

Advisory: VDE-2025-043
Status: Not defined

CVE: CVE-2025-41647 (🔍)
GCVE (CVE): GCVE-0-2025-41647
GCVE (VulDB): GCVE-100-313851
EUVD: 🔍

Entryinfo

Created: 06/25/2025 12:37
Updated: 06/25/2025 13:13
Changes: 06/25/2025 12:37 (62), 06/25/2025 13:13 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.