CVE-2025-27455: CWE-1021 Improper Restriction of Rendered UI Layers or Frames in Endress+Hauser Endress+Hauser MEAC300-FNADE4
The web application is vulnerable to clickjacking attacks. The site can be embedded into another frame, allowing an attacker to trick a user into clicking on something different from what the user perceives, thus potentially revealing confidential information or allowing others to take control of their computer while clicking on seemingly innocuous objects.
AI Analysis
Technical Summary
CVE-2025-27455 is a medium-severity vulnerability affecting the Endress+Hauser MEAC300-FNADE4 web application. The vulnerability is classified under CWE-1021, which pertains to improper restriction of rendered UI layers or frames, commonly known as a clickjacking vulnerability. This security flaw allows an attacker to embed the vulnerable web application within a maliciously crafted iframe or frame on another website. By doing so, the attacker can trick users into interacting with the embedded application unknowingly, potentially causing them to perform unintended actions. Although the CVSS vector indicates no direct impact on confidentiality or availability, the integrity of user interactions is compromised. The vulnerability requires no privileges (PR:N) but does require user interaction (UI:R), and it can be exploited remotely over the network (AV:N). The affected product, Endress+Hauser MEAC300-FNADE4, is an industrial control system component used in process automation and monitoring. The absence of patches or known exploits in the wild suggests that the vulnerability is newly disclosed and may not yet be actively exploited. However, the risk remains significant in environments where this device is deployed, especially in critical infrastructure sectors. The vulnerability could enable attackers to manipulate user actions, potentially leading to unauthorized control commands or disclosure of sensitive operational information if users are tricked into clicking on malicious overlays or controls.
Potential Impact
For European organizations, particularly those in industrial sectors such as manufacturing, energy, water treatment, and chemical processing, the impact of this vulnerability could be substantial. Endress+Hauser devices are widely used in European industrial automation environments. Successful exploitation could lead to unauthorized manipulation of control systems through deceptive user interactions, risking operational integrity and safety. While the vulnerability does not directly compromise confidentiality or availability, the integrity of control commands and user actions is at risk, which in industrial contexts can translate into physical process disruptions or safety hazards. European organizations operating critical infrastructure or industrial plants using the MEAC300-FNADE4 device may face increased operational risks, regulatory scrutiny, and potential financial losses if attackers leverage this vulnerability to cause process anomalies or safety incidents.
Mitigation Recommendations
To mitigate this vulnerability, European organizations should implement the following specific measures: 1) Employ X-Frame-Options or Content Security Policy (CSP) frame-ancestors directives on web servers hosting the MEAC300-FNADE4 web interface to prevent framing by unauthorized domains. 2) Conduct thorough security assessments of the device's web interface configuration to ensure no legacy or insecure settings allow framing. 3) Educate users and operators about the risks of clickjacking and encourage vigilance when interacting with web-based control interfaces. 4) Isolate the device's management interfaces within secure network segments and restrict access to trusted personnel only. 5) Monitor network traffic and user activity logs for unusual patterns that may indicate attempted clickjacking or social engineering attacks. 6) Engage with Endress+Hauser support channels to request official patches or firmware updates addressing this vulnerability as they become available. 7) Consider deploying web application firewalls (WAF) or reverse proxies that can enforce anti-framing policies and detect suspicious framing attempts. These targeted actions go beyond generic advice by focusing on the specific nature of the vulnerability and the operational context of the affected product.
Affected Countries
Germany, France, Italy, United Kingdom, Netherlands, Belgium, Switzerland, Austria, Sweden, Norway
CVE-2025-27455: CWE-1021 Improper Restriction of Rendered UI Layers or Frames in Endress+Hauser Endress+Hauser MEAC300-FNADE4
Description
The web application is vulnerable to clickjacking attacks. The site can be embedded into another frame, allowing an attacker to trick a user into clicking on something different from what the user perceives, thus potentially revealing confidential information or allowing others to take control of their computer while clicking on seemingly innocuous objects.
AI-Powered Analysis
Technical Analysis
CVE-2025-27455 is a medium-severity vulnerability affecting the Endress+Hauser MEAC300-FNADE4 web application. The vulnerability is classified under CWE-1021, which pertains to improper restriction of rendered UI layers or frames, commonly known as a clickjacking vulnerability. This security flaw allows an attacker to embed the vulnerable web application within a maliciously crafted iframe or frame on another website. By doing so, the attacker can trick users into interacting with the embedded application unknowingly, potentially causing them to perform unintended actions. Although the CVSS vector indicates no direct impact on confidentiality or availability, the integrity of user interactions is compromised. The vulnerability requires no privileges (PR:N) but does require user interaction (UI:R), and it can be exploited remotely over the network (AV:N). The affected product, Endress+Hauser MEAC300-FNADE4, is an industrial control system component used in process automation and monitoring. The absence of patches or known exploits in the wild suggests that the vulnerability is newly disclosed and may not yet be actively exploited. However, the risk remains significant in environments where this device is deployed, especially in critical infrastructure sectors. The vulnerability could enable attackers to manipulate user actions, potentially leading to unauthorized control commands or disclosure of sensitive operational information if users are tricked into clicking on malicious overlays or controls.
Potential Impact
For European organizations, particularly those in industrial sectors such as manufacturing, energy, water treatment, and chemical processing, the impact of this vulnerability could be substantial. Endress+Hauser devices are widely used in European industrial automation environments. Successful exploitation could lead to unauthorized manipulation of control systems through deceptive user interactions, risking operational integrity and safety. While the vulnerability does not directly compromise confidentiality or availability, the integrity of control commands and user actions is at risk, which in industrial contexts can translate into physical process disruptions or safety hazards. European organizations operating critical infrastructure or industrial plants using the MEAC300-FNADE4 device may face increased operational risks, regulatory scrutiny, and potential financial losses if attackers leverage this vulnerability to cause process anomalies or safety incidents.
Mitigation Recommendations
To mitigate this vulnerability, European organizations should implement the following specific measures: 1) Employ X-Frame-Options or Content Security Policy (CSP) frame-ancestors directives on web servers hosting the MEAC300-FNADE4 web interface to prevent framing by unauthorized domains. 2) Conduct thorough security assessments of the device's web interface configuration to ensure no legacy or insecure settings allow framing. 3) Educate users and operators about the risks of clickjacking and encourage vigilance when interacting with web-based control interfaces. 4) Isolate the device's management interfaces within secure network segments and restrict access to trusted personnel only. 5) Monitor network traffic and user activity logs for unusual patterns that may indicate attempted clickjacking or social engineering attacks. 6) Engage with Endress+Hauser support channels to request official patches or firmware updates addressing this vulnerability as they become available. 7) Consider deploying web application firewalls (WAF) or reverse proxies that can enforce anti-framing policies and detect suspicious framing attempts. These targeted actions go beyond generic advice by focusing on the specific nature of the vulnerability and the operational context of the affected product.
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Technical Details
- Data Version
- 5.1
- Assigner Short Name
- SICK AG
- Date Reserved
- 2025-02-26T08:39:58.980Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 68666bf36f40f0eb72964ce8
Added to database: 7/3/2025, 11:39:31 AM
Last enriched: 7/3/2025, 11:58:25 AM
Last updated: 7/3/2025, 1:24:35 PM
Views: 3
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