CVE-2020-6085

An exploitable denial of service vulnerability exists in the ENIP Request Path Logical Segment functionality of Allen-Bradley Flex IO 1794-AENT/B 4.003. A specially crafted network request can cause a loss of communications with the device resulting in denial-of-service. An attacker can send a...

CVE-2020-6085

CVE-2020-6085 affects Allen-Bradley Flex IO 1794-AENT/B (4.003) via the ENIP Request Path Logical Segment. A specially crafted Electronic Key Segment with fewer than 0x18 bytes after the Key Format field can cause the device to fault and stop remote communications, resulting in a denial-of-servic...

CVE-2020-6084

CVE-2020-6084 affects Allen-Bradley Flex IO 1794-AENT/B (Series B) with firmware 4.003, and is tied to the ENIP Request Path Logical Segment. A remote attacker can send an Electronic Key Segment with fewer bytes than required by the Key Format Table, causing the device to fault and stop remote co...

CVE-2020-6084

An exploitable denial of service vulnerability exists in the ENIP Request Path Logical Segment functionality of Allen-Bradley Flex IO 1794-AENT/B 4.003. A specially crafted network request can cause a loss of communications with the device resulting in denial-of-service. An attacker can send a...

CVE-2020-6086

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...

CVE-2020-6083

An exploitable denial of service vulnerability exists in the ENIP Request Path Port 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...

CVE-2020-6087

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...

CVE-2020-6087

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...

CVE-2020-6086

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...

Denial of service

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...

Denial of service

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...

Denial of service

An exploitable denial of service vulnerability exists in the ENIP Request Path Port 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...

CVE-2020-6083

CVE-2020-6083 affects Rockwell Automation Allen-Bradley Flex I/O 1794-AENT/B (ENIP Request Path Port Segment). The vulnerability arises from a buffer copy/overflow in the ENIP path handling, which can allow a remote attacker to send a crafted packet and cause the device to lose communications, i....

CVE-2020-6087

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...

CVE-2020-6087

CVE-2020-6087 affects Allen-Bradley Flex IO 1794-AENT/B (Series B) via the ENIP Request Path Data Segment. The vulnerability occurs when the ANSI Extended Symbol Segment Sub-Type is used; the following byte is treated as the Data Size in words, and if it exceeds the packet data, the device faults...

CVE-2020-6086

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...

CVE-2020-6086

CVE-2020-6086 affects Allen-Bradley Flex IO 1794-AENT/B (EtherNet/IP ENIP) in the ENIP Request Path Data Segment. The issue is triggered when a Simple Data Segment Sub-Type is used: the byte after the segment is treated as the Data Size in words, and if that value exceeds the remaining packet dat...

Vulnerability Spotlight: Denial-of-service vulnerabilities in Allen-Bradley Flex I/O

Jared Rittle of Cisco Talos discovered these vulnerabilities. Blog by Jon Munshaw. The Allen-Bradley Flex input/output system contains multiple denial-of-service vulnerabilities in its ENIP request path data segment. These bugs exist specifically in the 1794-AENT FLEX I/O modular platform. It...

Allen-Bradley Flex IO 1794-AENT/B ENIP Request Path Port Segment Denial of Service Vulnerability

Summary An exploitable denial of service vulnerability exists in the ENIP Request Path Port 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...

Allen-Bradley Flex IO 1794-AENT/B ENIP Request Path Logical Segment Denial of Service Vulnerability

Summary An exploitable denial of service vulnerability exists in the ENIP Request Path Logical 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...