CVE-2025-27454: CWE-352 Cross-Site Request Forgery (CSRF) in Endress+Hauser Endress+Hauser MEAC300-FNADE4
The application is vulnerable to cross-site request forgery. An attacker can trick a valid, logged in user into submitting a web request that they did not intend. The request uses the victim's browser's saved authorization to execute the request.
AI Analysis
Technical Summary
CVE-2025-27454 is a medium-severity vulnerability classified as CWE-352, indicating a Cross-Site Request Forgery (CSRF) weakness in the Endress+Hauser MEAC300-FNADE4 product. CSRF vulnerabilities occur when an attacker tricks an authenticated user into submitting a web request that they did not intend to make, leveraging the user's active session and browser-stored credentials to perform unauthorized actions. In this case, the affected product is an industrial automation device or system component from Endress+Hauser, a vendor specializing in measurement instrumentation and automation solutions. The vulnerability allows remote attackers to induce a logged-in user to execute unintended commands on the MEAC300-FNADE4 device via crafted web requests, without requiring prior authentication or elevated privileges. The CVSS 3.1 score of 4.3 reflects a network attack vector with low complexity, no privileges required, but requiring user interaction, and resulting in limited integrity impact without affecting confidentiality or availability. This means attackers cannot directly steal data or cause denial of service but can alter device configurations or operational parameters, potentially disrupting industrial processes or causing erroneous measurements. No known exploits are currently reported in the wild, and no patches have been linked yet, indicating that mitigation may rely on compensating controls until a vendor fix is available. The vulnerability's root cause is the lack of anti-CSRF protections such as tokens or origin validation in the device's web interface, allowing malicious websites or emails to induce state-changing requests when visited by an authenticated user. Given the critical role of Endress+Hauser devices in industrial environments, this vulnerability poses a risk to operational integrity and safety if exploited.
Potential Impact
For European organizations, particularly those operating in industrial sectors such as manufacturing, energy, water treatment, and chemical processing, this vulnerability could lead to unauthorized manipulation of critical instrumentation and control systems. Altered device settings or commands could cause inaccurate measurements, process disruptions, or unsafe operating conditions, potentially leading to production downtime, safety incidents, or regulatory non-compliance. Since the attack requires a logged-in user to interact with a malicious web page, social engineering or phishing campaigns could be used to target employees with access to these devices. The impact is heightened in environments where these devices are accessible via corporate networks or remotely, increasing the attack surface. Additionally, the lack of confidentiality impact means data theft is unlikely, but integrity compromises can have severe operational consequences in industrial control systems. The medium severity rating suggests that while the vulnerability is not immediately critical, it should be addressed promptly to prevent escalation or chaining with other vulnerabilities.
Mitigation Recommendations
To mitigate this CSRF vulnerability effectively, European organizations should implement the following specific measures: 1) Network Segmentation: Isolate the MEAC300-FNADE4 devices on dedicated industrial control networks with strict access controls to limit exposure to untrusted networks and reduce the risk of web-based attacks. 2) Web Interface Access Controls: Restrict access to the device's web management interface to trusted IP addresses and enforce strong authentication mechanisms, including multi-factor authentication where possible. 3) User Training and Awareness: Educate users with access to these devices about the risks of phishing and malicious websites that could trigger CSRF attacks, emphasizing cautious browsing behavior on devices with access to industrial systems. 4) Web Proxy and Filtering: Deploy web proxies or filtering solutions that block access to known malicious sites and inspect outbound web traffic for suspicious requests targeting the device's management interface. 5) Vendor Coordination: Engage with Endress+Hauser to obtain patches or firmware updates that implement anti-CSRF protections such as synchronizer tokens or origin header validation. Until patches are available, consider disabling web management interfaces if operationally feasible or using alternative secure management methods. 6) Monitoring and Logging: Enable detailed logging on the devices and network to detect unusual configuration changes or access patterns indicative of CSRF exploitation attempts. 7) Incident Response Planning: Prepare response procedures specifically for industrial control system compromises, including rapid isolation and recovery steps.
Affected Countries
Germany, France, Italy, United Kingdom, Netherlands, Belgium, Sweden, Switzerland
CVE-2025-27454: CWE-352 Cross-Site Request Forgery (CSRF) in Endress+Hauser Endress+Hauser MEAC300-FNADE4
Description
The application is vulnerable to cross-site request forgery. An attacker can trick a valid, logged in user into submitting a web request that they did not intend. The request uses the victim's browser's saved authorization to execute the request.
AI-Powered Analysis
Technical Analysis
CVE-2025-27454 is a medium-severity vulnerability classified as CWE-352, indicating a Cross-Site Request Forgery (CSRF) weakness in the Endress+Hauser MEAC300-FNADE4 product. CSRF vulnerabilities occur when an attacker tricks an authenticated user into submitting a web request that they did not intend to make, leveraging the user's active session and browser-stored credentials to perform unauthorized actions. In this case, the affected product is an industrial automation device or system component from Endress+Hauser, a vendor specializing in measurement instrumentation and automation solutions. The vulnerability allows remote attackers to induce a logged-in user to execute unintended commands on the MEAC300-FNADE4 device via crafted web requests, without requiring prior authentication or elevated privileges. The CVSS 3.1 score of 4.3 reflects a network attack vector with low complexity, no privileges required, but requiring user interaction, and resulting in limited integrity impact without affecting confidentiality or availability. This means attackers cannot directly steal data or cause denial of service but can alter device configurations or operational parameters, potentially disrupting industrial processes or causing erroneous measurements. No known exploits are currently reported in the wild, and no patches have been linked yet, indicating that mitigation may rely on compensating controls until a vendor fix is available. The vulnerability's root cause is the lack of anti-CSRF protections such as tokens or origin validation in the device's web interface, allowing malicious websites or emails to induce state-changing requests when visited by an authenticated user. Given the critical role of Endress+Hauser devices in industrial environments, this vulnerability poses a risk to operational integrity and safety if exploited.
Potential Impact
For European organizations, particularly those operating in industrial sectors such as manufacturing, energy, water treatment, and chemical processing, this vulnerability could lead to unauthorized manipulation of critical instrumentation and control systems. Altered device settings or commands could cause inaccurate measurements, process disruptions, or unsafe operating conditions, potentially leading to production downtime, safety incidents, or regulatory non-compliance. Since the attack requires a logged-in user to interact with a malicious web page, social engineering or phishing campaigns could be used to target employees with access to these devices. The impact is heightened in environments where these devices are accessible via corporate networks or remotely, increasing the attack surface. Additionally, the lack of confidentiality impact means data theft is unlikely, but integrity compromises can have severe operational consequences in industrial control systems. The medium severity rating suggests that while the vulnerability is not immediately critical, it should be addressed promptly to prevent escalation or chaining with other vulnerabilities.
Mitigation Recommendations
To mitigate this CSRF vulnerability effectively, European organizations should implement the following specific measures: 1) Network Segmentation: Isolate the MEAC300-FNADE4 devices on dedicated industrial control networks with strict access controls to limit exposure to untrusted networks and reduce the risk of web-based attacks. 2) Web Interface Access Controls: Restrict access to the device's web management interface to trusted IP addresses and enforce strong authentication mechanisms, including multi-factor authentication where possible. 3) User Training and Awareness: Educate users with access to these devices about the risks of phishing and malicious websites that could trigger CSRF attacks, emphasizing cautious browsing behavior on devices with access to industrial systems. 4) Web Proxy and Filtering: Deploy web proxies or filtering solutions that block access to known malicious sites and inspect outbound web traffic for suspicious requests targeting the device's management interface. 5) Vendor Coordination: Engage with Endress+Hauser to obtain patches or firmware updates that implement anti-CSRF protections such as synchronizer tokens or origin header validation. Until patches are available, consider disabling web management interfaces if operationally feasible or using alternative secure management methods. 6) Monitoring and Logging: Enable detailed logging on the devices and network to detect unusual configuration changes or access patterns indicative of CSRF exploitation attempts. 7) Incident Response Planning: Prepare response procedures specifically for industrial control system compromises, including rapid isolation and recovery steps.
Affected Countries
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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: 68666bf36f40f0eb72964ce0
Added to database: 7/3/2025, 11:39:31 AM
Last enriched: 7/3/2025, 11:58:42 AM
Last updated: 7/4/2025, 10:00:21 AM
Views: 4
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