The vulnerability of microprogrammed software in Schneider Electric’s programmable logic controllers such as Modicon M340, Modicon Quantum, and Modicon Premium lies in the ability to disclose information, allowing unauthorized access to protected data.

The vulnerability of microprogrammed software in Schneider Electric’s programmable logic controllers such as Modicon M340, Modicon Quantum, and Modicon Premium is related to the disclosure of information. Exploiting this vulnerability can allow unauthorized individuals to gain unauthorized access...

The vulnerability of microprogrammed software in Schneider Electric’s programmable logic controllers such as Modicon M340, Modicon Quantum, and Modicon Premium lies in the insufficient checking of unusual or exceptional states. This allows a intruder to trigger a malfunction in maintenance by using a specially crafted HTTP packet.

The vulnerability of microprogrammed software in Schneider Electric’s programmable logic controllers such as Modicon M340, Modicon Quantum, and Modicon Premium lies in the insufficient testing of unusual or exceptional states. Exploiting this vulnerability can allow an attacker operating remotely...

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...

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-2020-7549

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...

Design/Logic Flaw

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...

Spoofing

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-2020-7540

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-2020-7543

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...

Design/Logic Flaw

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...

Authentication flaw

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-2020-7543

CVE-2020-7543 affects Schneider Electric Modicon M580, M340, and legacy Quantum/Premium controllers. CWE-754 describes an improper check for unusual or exceptional conditions that could allow a denial of service when a specially crafted Read Physical Memory request is sent over Modbus. Red Hat an...

CVE-2020-7543

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-2020-7541

The CVE-2020-7541 issue affects Schneider Electric Modicon devices: Modicon M340 Web Server, Legacy Modicon Quantum and Modicon Premium, and related Communication Modules. It is a CWE-425 Direct Request (Forced Browsing) flaw that could disclose sensitive data when a specially crafted HTTP reques...

CVE-2020-7537

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-2020-7537

CVE-2020-7537 affects Schneider Electric Modicon M580, M340, and legacy Quantum/Premium controllers. The root cause is an improper check for unusual or exceptional conditions (CWE-754) that can allow a remote attacker to trigger denial of service by sending a specially crafted Read Physical Memor...