CVE-2018-7809
9.8 · CRITICALOverview
CVE-2018-7809 is a critical-severity vulnerability affecting schneider-electric modicom_m340_firmware. It was published on November 30, 2018 and has a CVSS 3.0 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
An Unverified Password Change vulnerability exists in the embedded web servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200 which could allow an unauthenticated remote user to access the password delete function of the web server.
Remediation
Check the references section for vendor advisories and patches from schneider-electric. Update modicom_m340_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|
Frequently Asked Questions
What is CVE-2018-7809?
CVE-2018-7809 is a critical-severity vulnerability affecting schneider-electric modicom_m340_firmware. It was published on November 30, 2018 and has a CVSS 3.0 base score of 9.8 (CRITICAL).
How severe is CVE-2018-7809?
This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2018-7809?
Check the references section for vendor advisories and patches from schneider-electric. Update modicom_m340_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2018-7809?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-7809 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
AI-driven PR review catches vulnerable dependencies before they ship.
Browser-based exploitation validates findings with real proof-of-concept.
Related CRITICAL CVEs from 2018
View all →A Buffer Overflow issue was discovered in Rockwell Automation Allen-Bradley MicroLogix 1400 Controll
Vulnerability in the Sun ZFS Storage Appliance Kit (AK) component of Oracle Sun Systems Products Sui
A vulnerability in the Secure Sockets Layer (SSL) VPN functionality of the Cisco Adaptive Security A
A authentication bypass and execution of code vulnerability in HPE Integrated Lights-out 4 (iLO 4) v
An issue was discovered in Adobe Acrobat Reader 2018.009.20050 and earlier versions, 2017.011.30070
I Librarian I-librarian version 4.8 and earlier contains a XML External Entity (XXE) vulnerability i
Analysis of the Bomgar Remote Support Portal JavaStart.jar Applet 52790 and earlier revealed that it
MySQL for PCF tiles 1.7.x before 1.7.10 were discovered to log the AWS access key in plaintext. Thes
An issue was discovered in certain Apple products. macOS before 10.13.3 is affected. The issue invol
An exploitable access control vulnerability exists in the data, program, and function file permissio
An exploitable access control vulnerability exists in the data, program, and function file permissio
An exploitable access control vulnerability exists in the data, program, and function file permissio