Vulnerability Monitor

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CVE-2021-30062


On Schneider Electric ConneXium Tofino OPCLSM TCSEFM0000 before 03.23 and Belden Tofino Xenon Security Appliance, crafted OPC packets can bypass the OPC enforcer.


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 integrity (unauthorized modifications), for affected systems. Impacting 22 products from belden, from belden, from belden and 19 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

2022-04-03T22:15:14.813

Last Modified

2024-11-21T06:03:16.880

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

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

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

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    NVD-CWE-noinfo

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System belden tofino_xenon_security_appliance_firmware < 03.2.03 Yes
Hardware belden tofino_xenon_security_appliance - No
Operating System belden tofino_argon_fa-tsa-220-tx\/mm_firmware - Yes
Hardware belden tofino_argon_fa-tsa-220-tx\/mm - No
Operating System belden tofino_argon_fa-tsa-220-tx\/tx_firmware - Yes
Hardware belden tofino_argon_fa-tsa-220-tx\/tx - No
Operating System belden tofino_argon_fa-tsa-220-mm\/tx_firmware - Yes
Hardware belden tofino_argon_fa-tsa-220-mm\/tx - No
Operating System belden tofino_argon_fa-tsa-220-mm\/mm_firmware - Yes
Hardware belden tofino_argon_fa-tsa-220-mm\/mm - No
Operating System belden tofino_argon_fa-tsa-100-tx\/tx_firmware - Yes
Hardware belden tofino_argon_fa-tsa-100-tx\/tx - No
Operating System belden eagle_20_tofino_943_987-505-mm\/mm_firmware - Yes
Hardware belden eagle_20_tofino_943_987-505-mm\/mm - No
Operating System belden eagle_20_tofino_943_987-504-mm\/tx_firmware - Yes
Hardware belden eagle_20_tofino_943_987-504-mm\/tx - No
Operating System belden eagle_20_tofino_943_987-502_-tx\/mm_firmware - Yes
Hardware belden eagle_20_tofino_943_987-502_-tx\/mm - No
Operating System belden eagle_20_tofino_943_987-501-tx\/tx_firmware - Yes
Hardware belden eagle_20_tofino_943_987-501-tx\/tx - No
Operating System schneider-electric tcsefm0000_firmware < 03.23 Yes
Hardware schneider-electric tcsefm0000 - 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 belden'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.