Vulnerability Monitor

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CVE-2021-22785


A CWE-200: Information Exposure vulnerability exists that could cause sensitive information of files located in the web root directory to leak when an attacker sends a HTTP request to the web server of the device. Affected Product: Modicon M340 CPUs: BMXP34 (Versions prior to V3.40), Modicon M340 X80 Ethernet Communication Modules: BMXNOE0100 (H), BMXNOE0110 (H), BMXNOC0401, BMXNOR0200H RTU (All Versions), Modicon Premium Processors with integrated Ethernet (Copro): TSXP574634, TSXP575634, TSXP576634 (All Versions), Modicon Quantum Processors with Integrated Ethernet (Copro): 140CPU65xxxxx (All Versions), Modicon Quantum Communication Modules: 140NOE771x1, 140NOC78x00, 140NOC77101 (All Versions), Modicon Premium Communication Modules: TSXETY4103, TSXETY5103 (All Versions)


Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.5, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), for affected systems. Impacting 28 products from schneider-electric, from schneider-electric, from schneider-electric and 25 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

2022-02-11T18:15:08.947

Last Modified

2024-11-21T05:50:39.760

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

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

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

10.0

Impact Score

2.9

Weaknesses
  • Type: Secondary
    CWE-200
  • Type: Primary
    CWE-200

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System schneider-electric modicon_m340_bmxp342020_firmware < 3.40 Yes
Hardware schneider-electric modicon_m340_bmxp342020 - No
Operating System schneider-electric bmxnoe0100_firmware * Yes
Hardware schneider-electric bmxnoe0100 - No
Operating System schneider-electric bmxnoe0110_firmware * Yes
Hardware schneider-electric bmxnoe0110 - No
Operating System schneider-electric bmxnoc0401_firmware * Yes
Hardware schneider-electric bmxnoc0401 - No
Operating System schneider-electric bmxnor0200h_rtu_firmware * Yes
Hardware schneider-electric bmxnor0200h_rtu - No
Operating System schneider-electric tsxp574634_firmware * Yes
Hardware schneider-electric tsxp574634 - No
Operating System schneider-electric tsxp575634_firmware * Yes
Hardware schneider-electric tsxp575634 - No
Operating System schneider-electric tsxp576634_firmware * Yes
Hardware schneider-electric tsxp576634 - No
Operating System schneider-electric 140cpu65150_firmware * Yes
Hardware schneider-electric 140cpu65150 - No
Operating System schneider-electric 140noe771x1_firmware * Yes
Hardware schneider-electric 140noe771x1 - No
Operating System schneider-electric 140noc78x00_firmware * Yes
Hardware schneider-electric 140noc78x00 - No
Operating System schneider-electric 140noc77101_firmware * Yes
Hardware schneider-electric 140noc77101 - No
Operating System schneider-electric tsxety4103_firmware * Yes
Hardware schneider-electric tsxety4103 - No
Operating System schneider-electric tsxety5103_firmware * Yes
Hardware schneider-electric tsxety5103 - 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.