The vulnerability of the microprogrammed logic controller Schneider Electric Modicon M340’s software lies in the possibility of writing beyond the buffer boundaries in memory, allowing a hacker to execute arbitrary code.

The vulnerability of the microprogrammed software of Schneider Electric’s Modicon M340 programmable logic controller lies in the writing beyond buffer boundaries in memory. Exploiting this vulnerability could allow a remote attacker to execute arbitrary code...

The vulnerability of the programming software for PLCs (programmable logic controllers), namely EcoStruxure Control Expert, and the micro-programming software for Schneider Electric’s Modicon M340 and Modicon M580 models. This vulnerability exists due to the failure to take measures to neutralize certain special elements, allowing a perpetrator to execute arbitrary codes.

The vulnerability of the programming software for PLCs programmable logic controllers, namely EcoStruxure Control Expert, and the microsoftware for Schneider Electric Modicon M340 programmable logic controllers, exists due to the lack of measures to neutralize certain components. Exploiting this...

Design/Logic Flaw

Authentication Bypass by Spoofing vulnerability exists in EcoStruxure Control Expert all versions prior to V15.0 SP1, including all versions of Unity Pro, EcoStruxure Control Expert V15.0 SP1, EcoStruxure Process Expert all versions, including all versions of EcoStruxure Hybrid DCS, SCADAPack...

CVE-2021-22779

Authentication Bypass by Spoofing vulnerability exists in EcoStruxure Control Expert all versions prior to V15.0 SP1, including all versions of Unity Pro, EcoStruxure Control Expert V15.0 SP1, EcoStruxure Process Expert all versions, including all versions of EcoStruxure Hybrid DCS, SCADAPack...

CVE-2021-22779

Authentication Bypass by Spoofing vulnerability exists in EcoStruxure Control Expert all versions prior to V15.0 SP1, including all versions of Unity Pro, EcoStruxure Control Expert V15.0 SP1, EcoStruxure Process Expert all versions, including all versions of EcoStruxure Hybrid DCS, SCADAPack...

CVE-2021-22779

The CVE-2021-22779 entry describes an Authentication Bypass by Spoofing vulnerability affecting Schneider Electric products including EcoStruxure Control Expert (pre- and post‑patch variants), EcoStruxure Process Expert, SCADAPack RemoteConnect for x70, and Modicon M580/M340 CPUs. The flaw enable...

The vulnerability of the microprogrammed software of Schneider Electric’s Modicon M340 programmable logic controllers stems from insufficient validation of input data. This allows a intruder to trigger malfunctions during maintenance operations.

The vulnerability of the microprogramming software of Schneider Electric’s Modicon M340 programmable logic controllers is related to insufficient verification of input data. Exploiting this vulnerability can allow an attacker, operating remotely, to cause a service failure by sending a specially...

Schneider Electric Web Server on Modicon M340

1. EXECUTIVE SUMMARY CVSS v3 6.3 ATTENTION: Exploitable remotely/low skill level to exploit Vendor: Schneider Electric Equipment: Web Server on Modicon M340, Modicon Quantum and Modicon Premium Legacy Vulnerabilities: Out-of-bounds Read, Out-of-bounds Write, Classic Buffer Overflow 2. RISK...

Schneider Electric Modicon M340 Code Issue Vulnerability

The Schneider Electric Modicon M340 is a mid-range PLC programmable logic controller for industrial processes and infrastructure from Schneider Electric, France. A code issue vulnerability exists in the Schneider Electric Modicon M340, which can be exploited by an attacker to compile a request to...

CVE-2020-7539

A CWE-754 Improper Check for Unusual or Exceptional Conditions vulnerability exists in the Web Server on Modicon M340, Legacy Offers Modicon Quantum and Modicon Premium and associated Communication Modules see security notification for affected versions, that could cause a denial of service...

CVE-2020-7535

A CWE-22: Improper Limitation of a Pathname to a Restricted Directory 'Path Traversal' Vulnerability Type vulnerability exists in the Web Server on Modicon M340, Legacy Offers Modicon Quantum and Modicon Premium and associated Communication Modules see security notification for affected versions,...

CVE-2020-7540

A CWE-306: Missing Authentication for Critical Function vulnerability exists in the Web Server on Modicon M340, Legacy Offers Modicon Quantum and Modicon Premium and associated Communication Modules see security notification for affected versions, that could cause unauthenticated command executio...

CVE-2020-7541

A CWE-425: Direct Request 'Forced Browsing' vulnerability exists in the Web Server on Modicon M340, Legacy Offers Modicon Quantum and Modicon Premium and associated Communication Modules see security notification for affected versions, that could cause disclosure of sensitive data when sending a...

CVE-2020-7542

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Legacy Controllers Modicon Quantum & Modicon Premium see security notifications for affected versions, that could cause denial of service when a specially crafted Read Physical Memo...

CVE-2020-7536

A CWE-754:Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M340 CPUs BMXP34 versions prior to V3.30 Modicon M340 Communication Ethernet modules BMXNOE0100 H versions prior to V3.4 BMXNOE0110 H versions prior to V6.6 BMXNOR0200H all versions, that could cause th...

CVE-2020-7539

A CWE-754 Improper Check for Unusual or Exceptional Conditions vulnerability exists in the Web Server on Modicon M340, Legacy Offers Modicon Quantum and Modicon Premium and associated Communication Modules see security notification for affected versions, that could cause a denial of service...

CVE-2020-7536

A CWE-754:Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M340 CPUs BMXP34 versions prior to V3.30 Modicon M340 Communication Ethernet modules BMXNOE0100 H versions prior to V3.4 BMXNOE0110 H versions prior to V6.6 BMXNOR0200H all versions, that could cause th...

CVE-2020-7540

A CWE-306: Missing Authentication for Critical Function vulnerability exists in the Web Server on Modicon M340, Legacy Offers Modicon Quantum and Modicon Premium and associated Communication Modules see security notification for affected versions, that could cause unauthenticated command executio...

CVE-2020-7549

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in the Web Server on Modicon M340, Legacy Offers Modicon Quantum and Modicon Premium and associated Communication Modules see security notification for affected versions, that could cause denial of HTTP and FTP...

CVE-2020-7542

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Legacy Controllers Modicon Quantum & Modicon Premium see security notifications for affected versions, that could cause denial of service when a specially crafted Read Physical Memo...