Phoenix Contact ILC PLCs Denial of Service (CVE-2021-33541)

Phoenix Contact Classic Line Controllers ILC1x0 and ILC1x1 in all versions/variants are affected by a Denial-of-Service vulnerability. The communication protocols and device access do not feature authentication measures. Remote attackers can use specially crafted IP packets to cause a denial of...

The vulnerability of the Web Server software on Schneider Electric’s programmable logic controllers, such as Modicon M340, Modicon Quantum, and Modicon Premium, allows attackers to disclose sensitive information or cause malfunctions in the equipment.

The vulnerability of the Web Server component of Schneider Electric’s programmable logic controllers—Modicon M340, Modicon Quantum, and Modicon Premium—is due to buffer overflow attacks. Exploiting this vulnerability allows an attacker to disclose sensitive information or cause service failures b...

A Siemens S7-1500 Logic Controller Flaw Raises the Specter of Stuxnet

More than 120 models of Siemens' S7-1500 PLCs contain a serious vulnerability—and no fix is on the way...

CISA Warns of Multiple Critical Vulnerabilities Affecting Mitsubishi Electric PLCs

The U.S. Cybersecurity and Infrastructure Security Agency CISA this week released an Industrial Control Systems ICS advisory warning of multiple vulnerabilities in Mitsubishi Electric GX Works3 engineering software. "Successful exploitation of these vulnerabilities could allow unauthorized users ...

Critical Bug in Siemens SIMATIC PLCs Could Let Attackers Steal Cryptographic Keys

A vulnerability in Siemens Simatic programmable logic controller PLC can be exploited to retrieve the hard-coded, global private cryptographic keys and seize control of the devices. "An attacker can use these keys to perform multiple advanced attacks against Siemens SIMATIC devices and the relate...

The secrets of Schneider Electric’s UMAS protocol

UMAS Unified Messaging Application Services is a proprietary Schneider Electric SE protocol used to configure and monitor Schneider Electric PLCs. Schneider Electric controllers that use UMAS include Modicon M580 CPU part numbers BMEP and BMEH and Modicon M340 CPU part numbers BMXP34. Controllers...

Hacktivist Group GhostSec Compromises 55 Berghof PLCs Across Israel

A hacktivist collective called GhostSec has claimed credit for compromising as many as 55 Berghof programmable logic controllers PLCs used by Israeli organizations as part of a "Free Palestine" campaign. Industrial cybersecurity firm OTORIO, which dug deeper into the incident, said the breach was...

CVE-2022-2758

Passwords are not adequately encrypted during the communication process between all versions of LS Industrial Systems LSIS Co. Ltd LS Electric XG5000 software prior to V4.0 and LS Electric PLCs: all versions of XGK-CPUU/H/A/S/E prior to V3.50, all versions of XGI-CPUU/UD/H/S/E prior to V3.20, all...

Design/Logic Flaw

Passwords are not adequately encrypted during the communication process between all versions of LS Industrial Systems LSIS Co. Ltd LS Electric XG5000 software prior to V4.0 and LS Electric PLCs: all versions of XGK-CPUU/H/A/S/E prior to V3.50, all versions of XGI-CPUU/UD/H/S/E prior to V3.20, all...

CVE-2022-2758 Update

Passwords are not adequately encrypted during the communication process between all versions of LS Industrial Systems LSIS Co. Ltd LS Electric XG5000 software prior to V4.0 and LS Electric PLCs: all versions of XGK-CPUU/H/A/S/E prior to V3.50, all versions of XGI-CPUU/UD/H/S/E prior to V3.20, all...

CVE-2022-2758

CVE-2022-2758 involves inadequate encryption strength in LS Electric’s XG5000 software communication with LS Electric PLCs. Affected products include XG5000 (all versions prior to 4.0) and PLCs: XGK-CPUU/H/A/S/E (all versions prior to 3.50), XGI-CPUU/UD/H/S/E (prior to 3.20), XGR-CPUH (prior to 1...

New Evil PLC Attack Weaponizes PLCs to Breach OT and Enterprise Networks

Cybersecurity researchers have elaborated a novel attack technique that weaponizes programmable logic controllers PLCs to gain an initial foothold in engineering workstations and subsequently invade the operational technology OT networks. Dubbed "Evil PLC" attack by industrial security firm...

The vulnerability of the Modbus TCP protocol implementation in microprogrammed software for programmable logic controllers from Schneider Electric, such as Modicon M340, M580, MC80, Modicon Momentum MDI, Legacy Modicon Quantum, allows a intruder to gain unauthorized access to protected information.

The vulnerability of the Modbus TCP protocol implementation in microprogrammed logic controllers from Schneider Electric, such as Modicon M340, M580, MC80, Modicon Momentum MDI, and Legacy Modicon Quantum, is related to errors in information processing. Exploiting this vulnerability can allow an...

The vulnerability of the Modbus TCP protocol implementation in microprogrammed software for programmable logic controllers from Schneider Electric, such as Modicon M340, M580, MC80, Modicon Momentum MDI, Legacy Modicon Quantum/Premium, allows a intruder to trigger a service failure.

The vulnerability of the Modbus TCP protocol implementation in microprogrammed logic controllers from Schneider Electric, such as Modicon M340, M580, MC80, Modicon Momentum MDI, and Legacy Modicon Quantum/Premium, is related to a potential integer overflow. Exploiting this vulnerability could all...

CVE-2022-31206

The Omron SYSMAC Nx product family PLCs NJ series, NY series, NX series, and PMAC series through 2022-005-18 lack cryptographic authentication. These PLCs are programmed using the SYMAC Studio engineering software which compiles IEC 61131-3 conformant POU code to native machine code for execution...

CVE-2022-31206

The Omron SYSMAC Nx product family PLCs NJ series, NY series, NX series, and PMAC series through 2022-005-18 lack cryptographic authentication. These PLCs are programmed using the SYMAC Studio engineering software which compiles IEC 61131-3 conformant POU code to native machine code for execution...

CVE-2022-31204

Omron CS series, CJ series, and CP series PLCs through 2022-05-18 use cleartext passwords. They feature a UM Protection setting that allows users or system integrators to configure a password in order to restrict sensitive engineering operations such as project/logic uploads and downloads. This...

CVE-2022-31207

The Omron SYSMAC Cx product family PLCs CS series, CJ series, and CP series through 2022-05-18 lack cryptographic authentication. They utilize the Omron FINS 9600/TCP protocol for engineering purposes, including downloading projects and control logic to the PLC. This protocol has authentication...

CVE-2022-31204

Omron CS series, CJ series, and CP series PLCs through 2022-05-18 use cleartext passwords. They feature a UM Protection setting that allows users or system integrators to configure a password in order to restrict sensitive engineering operations such as project/logic uploads and downloads. This...

CVE-2022-31205

In Omron CS series, CJ series, and CP series PLCs through 2022-05-18, the password for access to the Web UI is stored in memory area D1449...D1452 and can be read out using the Omron FINS protocol without any further authentication...