CVE-2018-7842

The CVE-2018-7842 issue affects Schneider Electric Modicon M580, M340, Quantum, and Premium PLCs. Root cause: CWE-290 Authentication Bypass by Spoofing enabling brute-forcing of Modbus parameters to gain elevated privileges. Impact: elevation of privilege and potential unauthorized control of dev...

CVE-2018-7848

CVE-2018-7848 is an information-disclosure flaw in Schneider Electric Modicon controllers (M580, M340, Quantum, Premium) exploitable via the UMAS strategy read path. A specially crafted UMAS read of the programmed strategy (function code 0x34) can reveal plaintext SNMP community strings and other...

CVE-2018-7843

CVE-2018-7843 concerns Schneider Electric Modicon PLCs (M580, M340, Quantum, Premium) with a flaw in the UMAS memory block read path over Modbus. The public Talos analysis describes an out-of-bounds memory read in the MEMORY_BLOCK_READ function that can trigger a non-recoverable fault, potentiall...

CVE-2018-7849

The CVE-2018-7849 vulnerability affects Schneider Electric Modicon M580, M340, Quantum and Premium PLCs. A CWE-248 Uncaught Exception could trigger a Denial of Service due to improper data integrity checks when sending files via Modbus. Affected firmware observed in Modicon M580 SV2.70 (e.g., BME...

CVE-2018-7849

A CWE-248: Uncaught Exception vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum and Modicon Premium which could cause a possible Denial of Service due to improper data integrity check when sending files the controller over Modbus...

CVE-2018-7846

CVE-2018-7846 affects Schneider Electric Modicon M580, M340, Quantum and Premium PLCs. The issue is a CWE-501 Trust Boundary Violation in the UMAS/Reservation mechanism: an unauthenticated brute-force attempt to the Modbus-based reservation session (one-byte session token) can allow unauthorized ...

CVE-2019-6816

The CVE-2019-6816 entry concerns Schneider Electric Modicon Quantum controllers. A CWE-94 Code Injection flaw exists in all firmware versions, enabling unauthorized firmware modification and potential Denial of Service when operating over Modbus. The publicly documented impact is partial integrit...

CVE-2019-6816

In Modicon Quantum all firmware versions, a CWE-94: Code Injection vulnerability could cause an unauthorized firmware modification with possible Denial of Service when using Modbus protocol...

CVE-2019-6815

In Modicon Quantum all firmware versions, CWE-264: Permissions, Privileges, and Access Control vulnerabilities could cause a denial of service or unauthorized modifications of the PLC configuration when using Ethernet/IP protocol...

CVE-2019-6815

The CVE-2019-6815 entry concerns Modicon Quantum PLCs (all firmware versions) with CWE-264 (Permissions, Privileges, and Access Control). The vulnerability arises via Ethernet/IP, enabling denial of service or unauthorized modifications of the PLC configuration due to improper access control. Doc...

CVE-2018-7788

A CWE-255 Credentials Management vulnerability exists in Modicon Quantum with firmware versions prior to V2.40. which could cause a Denial Of Service when using a Telnet connection...

CVE-2018-7788

CVE-2018-7788 affects Schneider Electric Modicon Quantum firmware prior to V2.40, due to a CWE-255 Credentials Management vulnerability that could yield a Denial of Service when using Telnet. Affects Modicon Quantum products with older firmware; remediation is to upgrade to V2.40 or later per SEV...

CVE-2019-6819

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists which could cause a possible Denial of Service when specific Modbus frames are sent to the controller in the products: Modicon M340 - firmware versions prior to V3.01, Modicon M580 - firmware versions prior to...

CVE-2019-6819

Schneider Electric Modicon M340 (pre-3.01), M580 (pre-2.80), and all Modicon Quantum and Premium firmware are affected by CVE-2019-6819 (CWE-754). A remote attacker can cause a denial-of-service by sending specially crafted Modbus frames. The Red Hat, Tenable OT, and CISA/ICS advisories corrobora...

CVE-2019-6819

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists which could cause a possible Denial of Service when specific Modbus frames are sent to the controller in the products: Modicon M340 - firmware versions prior to V3.01, Modicon M580 - firmware versions prior to...

CVE-2019-6821

CVE-2019-6821 affects Schneider Electric Modicon devices: M580 firmware versions before 2.30 (and M580 M340/Premium/Quantum family). The vulnerability is CWE-330: Use of Insufficiently Random Values, causing predictable TCP initial sequence numbers that can enable an attacker to hijack TCP connec...

CVE-2019-6821

CWE-330: Use of Insufficiently Random Values vulnerability, which could cause the hijacking of the TCP connection when using Ethernet communication in Modicon M580 firmware versions prior to V2.30, and all firmware versions of Modicon M340, Modicon Premium, Modicon Quantum...

CVE-2018-7848: Exposure of Sensitive Information to an Unauthorized Actor

A CWE-200: Information Exposure vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause the disclosure of SNMP information when reading files from the controller over Modbus...

Denial of Service Vulnerability in Multiple Schneider Electric Products (CNVD-2019-15744)

The Schneider Electric Modicon M580 is a programmable automation controller.The Schneider Electric Modicon Premium is a large programmable logic controller PLC for discrete or process applications.The Schneider Electric Modicon Quantum is a large programmable logic controller PLC for process...

CVE-2018-7847: Improper Authentication

A CWE-284: Improper Access Control vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause denial of service or potential code execution by overwriting configuration settings of the controller over Modbus...