CVE-2018-7842
Last modified
CVE-2018-7842 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A CWE-290: Authentication Bypass by Spoofing vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause an elevation of privilege by conducting a brute force attack on Modbus parameters sent to the controller.. EPSS estimates a 35.04% chance of exploitation in the next 30 days.
Description
A CWE-290: Authentication Bypass by Spoofing vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause an elevation of privilege by conducting a brute force attack on Modbus parameters sent to the controller.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Schneider-Electric | Modicon M580 Firmware | All versions |
| Schneider-Electric | Modicon M340 Firmware | All versions |
| Schneider-Electric | Modicon Quantum Firmware | All versions |
| Schneider-Electric | Modicon Premium Firmware | All versions |
References
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0741Exploit, Third Party Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0741Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-7842?
How severe is CVE-2018-7842?
How do I fix CVE-2018-7842?
How Strix Helps
- Same Subject, Wrong User: A Cross-Issuer Account Takeover in n8nStrix found an identity-binding bug in n8n's token-exchange flow enabling account takeover.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2018
- CVE-2018-7836An unrestricted Upload of File with Dangerous Type vulnerabi…
- CVE-2018-7837An Improper Restriction of XML External Entity Reference ('X…
- CVE-2018-7838A CWE-119 Buffer Errors vulnerability exists in Modicon M580…7.5
- CVE-2018-7839A Cryptographic Issue (CWE-310) vulnerability exists in IIoT…
- CVE-2018-7840A Uncontrolled Search Path Element (CWE-427) vulnerability e…
- CVE-2018-7841A SQL Injection (CWE-89) vulnerability exists in U.motion Bu…9.8
- CVE-2018-7843A CWE-248: Uncaught Exception vulnerability exists in all ve…7.5
- CVE-2018-7844A CWE-200: Information Exposure vulnerability exists in all …7.5
- CVE-2018-7845A CWE-125: Out-of-bounds Read vulnerability exists in all ve…7.5
- CVE-2018-7846A CWE-501: Trust Boundary Violation vulnerability on connect…9.8
- CVE-2018-7847A CWE-284: Improper Access Control vulnerability exists in a…9.8
- CVE-2018-7848A CWE-200: Information Exposure vulnerability exists in all …7.5
Are you affected by CVE-2018-7842?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST