Vulnerability Monitor

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CVE-2020-7534


A CWE-352: Cross-Site Request Forgery (CSRF) vulnerability exists on the web server used, that could cause a leak of sensitive data or unauthorized actions on the web server during the time the user is logged in. Affected Products: Modicon M340 CPUs: BMXP34 (All Versions), Modicon Quantum CPUs with integrated Ethernet (Copro): 140CPU65 (All Versions), Modicon Premium CPUs with integrated Ethernet (Copro): TSXP57 (All Versions), Modicon M340 ethernet modules: (BMXNOC0401, BMXNOE01, BMXNOR0200H) (All Versions), Modicon Quantum and Premium factory cast communication modules: (140NOE77111, 140NOC78*00, TSXETY5103, TSXETY4103) (All Versions)


Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 8.8, indicating it can be exploited remotely over the network with relatively low complexity though user interaction is required and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 20 products from schneider-electric, from schneider-electric, from schneider-electric and 17 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2022, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2022-02-04T23:15:10.390

Last Modified

2024-11-21T05:37:19.763

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 8.8 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

8.6

Impact Score

6.4

Weaknesses
  • Type: Secondary
    CWE-352
  • Type: Primary
    CWE-352

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System schneider-electric modicon_m340_bmxp342020_firmware * Yes
Hardware schneider-electric modicon_m340_bmxp342020 - No
Operating System schneider-electric 140cpu65_firmware * Yes
Hardware schneider-electric 140cpu65 - No
Operating System schneider-electric tsxp57_firmware * Yes
Hardware schneider-electric tsxp57 - No
Operating System schneider-electric bmxnoc0401_firmware * Yes
Hardware schneider-electric bmxnoc0401 - No
Operating System schneider-electric bmxnoe01_firmware * Yes
Hardware schneider-electric bmxnoe01 - No
Operating System schneider-electric bmxnor0200h_firmware * Yes
Hardware schneider-electric bmxnor0200h - No
Operating System schneider-electric 140noe77111_firmware * Yes
Hardware schneider-electric 140noe77111 - No
Operating System schneider-electric 140noc78000_firmware * Yes
Hardware schneider-electric 140noc78000 - No
Operating System schneider-electric tsxety5103_firmware * Yes
Hardware schneider-electric tsxety5103 - No
Operating System schneider-electric tsxety4103_firmware * Yes
Hardware schneider-electric tsxety4103 - No

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For schneider-electric's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.