Vulnerability Description
An exploitable denial of service vulnerability exists in the ENIP Request Path Data Segment functionality of Allen-Bradley Flex IO 1794-AENT/B. A specially crafted network request can cause a loss of communications with the device resulting in denial-of-service. An attacker can send a malicious packet to trigger this vulnerability.If the Simple Segment Sub-Type is supplied, the device treats the byte following as the Data Size in words. When this value represents a size greater than what remains in the packet data, the device enters a fault state where communication with the device is lost and a physical power cycle is required.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Rockwellautomation | Flex I\/O 1794-Aent\/B Firmware | 4.003 |
| Rockwellautomation | Flex I\/O 1794-Aent\/B | - |
Related Weaknesses (CWE)
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2020-1007ExploitThird Party Advisory
- https://talosintelligence.com/vulnerability_reports/TALOS-2020-1007ExploitThird Party Advisory
FAQ
What is CVE-2020-6086?
CVE-2020-6086 is a vulnerability with a CVSS score of 7.5 (HIGH). An exploitable denial of service vulnerability exists in the ENIP Request Path Data Segment functionality of Allen-Bradley Flex IO 1794-AENT/B. A specially crafted network request can cause a loss of ...
How severe is CVE-2020-6086?
CVE-2020-6086 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-6086?
Check the references section above for vendor advisories and patch information. Affected products include: Rockwellautomation Flex I\/O 1794-Aent\/B Firmware, Rockwellautomation Flex I\/O 1794-Aent\/B.