A denial-of-service vulnerability exists in Rockwell Automation FactoryTalk Transaction Manager. This vulnerability can be exploited by sending a modified packet to port 400. If exploited, the application could potentially crash or experience a high CPU or memory usage condition, causing intermittent application functionality issues. The application would need to be restarted to recover from the DoS.

Due to a memory leak, a denial-of-service vulnerability exists in the Rockwell Automation affected products. A malicious actor could exploit this vulnerability by performing multiple actions on certain web pages of the product causing the affected products to become fully unavailable and require a power cycle to recover.

The Rockwell Automation Kinetix 5700 DC Bus Power Supply Series A is vulnerable to CIP fuzzing.  The new ENIP connections cannot be established if impacted by this vulnerability,  which prohibits operational capabilities of the device resulting in a denial-of-service attack.

A security issue exists within ArmorStart® LT that can result in a denial-of-service condition. During execution of the Achilles EtherNet/IP Step Limits Storms tests, the device reboots unexpectedly, causing the Link State Monitor to go down for several seconds.

A security issue exists within ArmorStart® LT that can result in a denial-of-service condition. After running a Burp Suite active scan, the device loses ICMP connectivity, causing the web application to become inaccessible.

A security issue exists within ArmorStart® LT that can result in a denial-of-service condition. Fuzzing performed using Defensics causes the device to become unresponsive, requiring a reboot.

A security issue exists within ArmorStart® LT that can result in a denial-of-service condition. This vulnerability is triggered during fuzzing of multiple CIP classes, which causes the CIP port to become unresponsive.

A security issue exists within ArmorStart® LT that can result in a denial-of-service condition. During execution of the Achilles EtherNet/IP and CIP grammar tests, the device reboots unexpectedly, causing the Link State Monitor to go down for several seconds.

A security issue exists within ArmorStart® LT that can result in a denial-of-service condition. During execution of the Achilles EtherNet/IP Step Limit Storm tests, the device reboots unexpectedly, causing the Link State Monitor to go down for several seconds.

A security issue exists within ArmorStart® LT that can result in a denial-of-service condition. During execution of the Achilles Comprehensive step limit storm tests, the device reboots

A security issue exists within ArmorStart® LT that can result in a denial-of-service condition. During execution of the Achilles Comprehensive grammar tests, the device reboots unexpectedly, causing the Link State Monitor to go down for several seconds.

A denial-of-service security issue exists in the 1719-AENTR. The security issue stems from improper handling of a UDP unicast network storm, which causes the device to become overloaded and lose communication. A power cycle is required to recover.

The Rockwell Automation Thinmanager Thinserver is impacted by an improper input validation vulnerability, an integer overflow condition exists in the affected products. When the ThinManager processes incoming messages, a read access violation occurs and terminates the process. A malicious user could exploit this vulnerability by sending a crafted synchronization protocol message and causing a denial of service condition in the software.

The Rockwell Automation Thinmanager Thinserver is impacted by an improper input validation vulnerability, Due to improper input validation, a path traversal vulnerability exists when the ThinManager software processes a certain function. If exploited, an unauthenticated remote threat actor can delete arbitrary files with system privileges. A malicious user could exploit this vulnerability by sending a specifically crafted synchronization protocol message resulting in a denial-of-service condition.

In affected versions, a heap-based buffer over-read condition occurs when the message field indicates more data than is present in the message field in Rockwell Automation's ThinManager ThinServer.  An unauthenticated remote attacker can exploit this vulnerability to crash ThinServer.exe due to a read access violation.

A vulnerability was discovered in the Rockwell Automation Armor PowerFlex device when the product sends communications to the local event log. Threat actors could exploit this vulnerability by sending an influx of network commands, causing the product to generate an influx of event log traffic at a high rate. If exploited, the product would stop normal operations and self-reset creating a denial-of-service condition. The error code would need to be cleared prior to resuming normal operations.

A denial-of-service vulnerability exists in the Rockwell Automation PowerFlex® 527 due to improper input validation in the device. If exploited, the web server will crash and need a manual restart to recover it.

An input validation vulnerability exists in the Rockwell Automation 5015-AENFTXT that causes the secondary adapter to result in a major nonrecoverable fault (MNRF) when malicious input is entered. If exploited, the availability of the device will be impacted, and a manual restart is required. Additionally, a malformed PTP packet is needed to exploit this vulnerability.

A denial-of-service vulnerability exists in the Rockwell Automation PowerFlex® 527 due to improper traffic throttling in the device. If multiple data packets are sent to the device repeatedly the device will crash and require a manual restart to recover.

A denial-of-service vulnerability exists in the Rockwell Automation PowerFlex® 527 due to improper input validation in the device. If exploited, a disruption in the CIP communication will occur and a manual restart will be required by the user to recover it.

A denial-of-service vulnerability exists in specific Rockwell Automation ControlLogix ang GuardLogix controllers. If exploited, the product could potentially experience a major nonrecoverable fault (MNRF). The device will restart itself to recover from the MNRF.

A vulnerability exists in the Rockwell Automation controllers that allows a malformed CIP request to cause a major non-recoverable fault (MNRF) and a denial-of-service condition (DOS).

An attacker could send crafted SMTP packets to cause a denial-of-service condition where the controller enters a major non-recoverable faulted state (MNRF) in CompactLogix 5370 L1, L2, and L3 Controllers, Compact GuardLogix 5370 controllers, and Armor Compact GuardLogix 5370 Controllers Versions 20 - 30 and earlier.

A denial-of-service vulnerability exists in the Rockwell Automation PowerFlex® 600T. If the device is overloaded with requests, it will become unavailable. The device may require a power cycle to recover it if it does not re-establish a connection after it stops receiving requests.

A security issue exists due to improper handling of malformed CIP packets during fuzzing. The controller enters a hard fault with solid red Fault LED and becomes unresponsive. Upon power cycle, the controller will enter recoverable fault where the MS LED and Fault LED become flashing red and reports fault code 0xF019. To recover, clear the fault.

Multiple denial-of-service vulnerabilities exist in the affected product. These issues can be triggered through various crafted inputs, including malformed Class 3 messages, memory leak conditions, and other resource exhaustion scenarios. Exploitation may cause the device to become unresponsive and, in some cases, result in a major nonrecoverable fault. Recovery may require a restart.

Rockwell Automation MicroLogix 1400 Controllers and 1756 ControlLogix Communications Modules An unauthenticated, remote threat actor could send a CIP connection request to an affected device, and upon successful connection, send a new IP configuration to the affected device even if the controller in the system is set to Hard RUN mode. When the affected device accepts this new IP configuration, a loss of communication occurs between the device and the rest of the system as the system traffic is still attempting to communicate with the device via the overwritten IP address.

A security issue exists within 1769 CompactLogix controllers due to the missing validation of sequence numbers and source IP addresses in the CIP protocol. This allows attacker to abuse the exposed Connection ID’s visible on the web interface to perform denial-of-service attacks, resulting in a minor fault.

An input validation vulnerability exists in the Rockwell Automation 5015 - AENFTXT when a manipulated PTP packet is sent, causing the secondary adapter to result in a major nonrecoverable fault. If exploited, a power cycle is required to recover the product.

CVE-2024-7515 IMPACT A denial-of-service vulnerability exists in the affected products. A malformed PTP management packet can cause a major nonrecoverable fault in the controller.

CVE-2024-7507 IMPACT A denial-of-service vulnerability exists in the affected products. This vulnerability occurs when a malformed PCCC message is received, causing a fault in the controller.

A denial-of-service vulnerability exists in the Rockwell Automation affected products when specially crafted packets are sent to the CIP Security Object. If exploited the device will become unavailable and require a factory reset to recover.

Due to an improper input validation, an unauthenticated threat actor can send a malicious message to a monitor thread within Rockwell Automation ThinServer™ and cause a denial-of-service condition on the affected device.

An unauthorized user could use a specially crafted sequence of Ethernet/IP messages, combined with heavy traffic loading to cause a denial-of-service condition in Rockwell Automation Logix controllers resulting in a major non-recoverable fault. If the target device becomes unavailable, a user would have to clear the fault and redownload the user project file to bring the device back online and continue normal operation.

An input validation vulnerability exists in the Rockwell Automation Sequence Manager™ which could allow a malicious user to send malformed packets to the server and cause a denial-of-service condition. If exploited, the device would become unresponsive, and a manual restart will be required for recovery. Additionally, if exploited, there could be a loss of view for the downstream equipment sequences in the controller. Users would not be able to view the status or command the equipment sequences, however the equipment sequence would continue to execute uninterrupted.

CVE 2021-22681 https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.PN1550.html  and send a specially crafted CIP message to the device. If exploited, a threat actor could help prevent access to the legitimate user and end connections to connected devices including the workstation. To recover the controllers, a download is required which ends any process that the controller is running.

The device does not properly validate the data being sent to the buffer. An attacker can send a malformed CIP packet to Port 2222/TCP, Port 2222/UDP, Port 44818/TCP, or Port 44818/UDP, which creates a buffer overflow and causes the CPU to crash. Successful exploitation of this vulnerability could cause loss of availability and a disruption in communications with other connected devices. Rockwell Automation EtherNet/IP products; 1756-ENBT, 1756-EWEB, 1768-ENBT, and 1768-EWEB communication modules; CompactLogix L32E and L35E controllers; 1788-ENBT FLEXLogix adapter; 1794-AENTR FLEX I/O EtherNet/IP adapter; ControlLogix 18 and earlier; CompactLogix 18 and earlier; GuardLogix 18 and earlier; SoftLogix 18 and earlier; CompactLogix controllers 19 and earlier; SoftLogix controllers 19 and earlier; ControlLogix controllers 20 and earlier; GuardLogix controllers 20 and earlier; and MicroLogix 1100 and 1400

When an affected product receives a valid CIP message from an unauthorized or unintended source to Port 2222/TCP, Port 2222/UDP, Port 44818/TCP, or Port 44818/UDP that instructs the product to reset, a DoS can occur. This situation could cause loss of availability and a disruption of communication with other connected devices. Rockwell Automation EtherNet/IP products; 1756-ENBT, 1756-EWEB, 1768-ENBT, and 1768-EWEB communication modules; CompactLogix L32E and L35E controllers; 1788-ENBT FLEXLogix adapter; 1794-AENTR FLEX I/O EtherNet/IP adapter; ControlLogix 18 and earlier; CompactLogix 18 and earlier; GuardLogix 18 and earlier; SoftLogix 18 and earlier; CompactLogix controllers 19 and earlier; SoftLogix controllers 19 and earlier; ControlLogix controllers 20 and earlier; GuardLogix controllers 20 and earlier; and MicroLogix 1100 and 1400

The device does not properly validate the data being sent to the buffer. An attacker can send a malformed CIP packet to Port 2222/TCP, Port 2222/UDP, Port 44818/TCP, or Port 44818/UDP, which creates a buffer overflow and causes the NIC to crash. Successful exploitation of this vulnerability could cause loss of availability and a disruption in communications with other connected devices. Rockwell Automation EtherNet/IP products; 1756-ENBT, 1756-EWEB, 1768-ENBT, and 1768-EWEB communication modules; CompactLogix L32E and L35E controllers; 1788-ENBT FLEXLogix adapter; 1794-AENTR FLEX I/O EtherNet/IP adapter; ControlLogix 18 and earlier; CompactLogix 18 and earlier; GuardLogix 18 and earlier; SoftLogix 18 and earlier; CompactLogix controllers 19 and earlier; SoftLogix controllers 19 and earlier; ControlLogix controllers 20 and earlier; GuardLogix controllers 20 and earlier; and MicroLogix 1100 and 1400

When an affected product receives a valid CIP message from an unauthorized or unintended source to Port 2222/TCP, Port 2222/UDP, Port 44818/TCP, or Port 44818/UDP that instructs the CPU to stop logic execution and enter a fault state, a DoS can occur. This situation could cause loss of availability and a disruption of communication with other connected devices. Rockwell Automation EtherNet/IP products; 1756-ENBT, 1756-EWEB, 1768-ENBT, and 1768-EWEB communication modules; CompactLogix L32E and L35E controllers; 1788-ENBT FLEXLogix adapter; 1794-AENTR FLEX I/O EtherNet/IP adapter; ControlLogix 18 and earlier; CompactLogix 18 and earlier; GuardLogix 18 and earlier; SoftLogix 18 and earlier; CompactLogix controllers 19 and earlier; SoftLogix controllers 19 and earlier; ControlLogix controllers 20 and earlier; GuardLogix controllers 20 and earlier; and MicroLogix 1100 and 1400

Rockwell Automation was made aware that the webservers of the Micrologix 1100 and 1400 controllers contain a vulnerability that may lead to a denial-of-service condition. The security vulnerability could be exploited by an attacker with network access to the affected systems by sending TCP packets to webserver and closing it abruptly which would cause a denial-of-service condition for the web server application on the device

CVE-2024-40619 IMPACT A denial-of-service vulnerability exists in the affected products. The vulnerability occurs when a malformed CIP packet is sent over the network to the device and results in a major nonrecoverable fault causing a denial-of-service.

A specific malformed fragmented packet type (fragmented packets may be generated automatically by devices that send large amounts of data) can cause a major nonrecoverable fault (MNRF) Rockwell Automation's ControlLogix 5580, Guard Logix 5580, CompactLogix 5380, and 1756-EN4TR. If exploited, the affected product will become unavailable and require a manual restart to recover it. Additionally, an MNRF could result in a loss of view and/or control of connected devices.

CVE-2024-45825 IMPACT A denial-of-service vulnerability exists in the affected products. The vulnerability occurs when a malformed CIP packet is sent over the network to the device and results in a major nonrecoverable fault causing a denial-of-service.

A denial-of-service security issue exists across all the 1756-EN2, EN3, and ENBT communication module due to improper validation of CIP Implicit Connection packets. An attacker on the network can exploit this by sending crafted packets to continuously disrupt device connections, though device connections will recover immediately after.

Rockwell Automation FactoryTalk View Site Edition insufficiently validates user input, which could potentially allow threat actors to send malicious data bringing the product offline. If exploited, the product would become unavailable and require a restart to recover resulting in a denial-of-service condition.

A denial-of-service security issue exists in the affected products. The security issue stems from improper handling of exceptional conditions when processing crafted CIP packets sent to the adapter. A power cycle is required to recover the module and associated I/O.

A denial-of-service security issue exists in 1734 POINT I/O™ module. The security issue stems from improper handling of crafted CIP messages, which can cause the module to enter a faulted state. A restart is required to recover.

A denial of service security issue exists in the affected product. The security issue stems from a fault occurring when a crafted CIP message is sent. Devices with less memory are more likely to be affected. This can result in a major nonrecoverable fault (MNRF). A program download is required to recover.

A denial-of-service security issue exists within the 1794-AENTR adapter due to improper memory handling of CIP protocol requests. This vulnerability can result in the adapter faulting and losing connection to its associated I/O modules, requiring a manual reset to recover.