Vulnerability Monitor

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CVE-2021-27424


GE UR firmware versions prior to version 8.1x shares MODBUS memory map as part of the communications guide. GE was made aware a “Last-key pressed” MODBUS register can be used to gain unauthorized information.


Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 5.3, 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 limited data confidentiality, for affected systems. Impacting 38 products from ge, from ge, from ge and 35 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

2022-03-23T20:15:08.417

Last Modified

2024-11-21T05:57:57.660

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.3 (MEDIUM)

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-668

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System ge multilin_b30_firmware < 8.10 Yes
Hardware ge multilin_b30 - No
Operating System ge multilin_b90_firmware < 8.10 Yes
Hardware ge multilin_b90 - No
Operating System ge multilin_c60_firmware < 8.10 Yes
Hardware ge multilin_c60 - No
Operating System ge multilin_c70_firmware < 8.10 Yes
Hardware ge multilin_c70 - No
Operating System ge multilin_c95_firmware < 8.10 Yes
Hardware ge multilin_c95 - No
Operating System ge multilin_d30_firmware < 8.10 Yes
Hardware ge multilin_d30 - No
Operating System ge multilin_d60_firmware < 8.10 Yes
Hardware ge multilin_d60 - No
Operating System ge multilin_f35_firmware < 8.10 Yes
Hardware ge multilin_f35 - No
Operating System ge multilin_f60_firmware < 8.10 Yes
Hardware ge multilin_f60 - No
Operating System ge multilin_g30_firmware < 8.10 Yes
Hardware ge multilin_g30 - No
Operating System ge multilin_g60_firmware < 8.10 Yes
Hardware ge multilin_g60 - No
Operating System ge multilin_l30_firmware < 8.10 Yes
Hardware ge multilin_l30 - No
Operating System ge multilin_l60_firmware < 8.10 Yes
Hardware ge multilin_l60 - No
Operating System ge multilin_l90_firmware < 8.10 Yes
Hardware ge multilin_l90 - No
Operating System ge multilin_m60_firmware < 8.10 Yes
Hardware ge multilin_m60 - No
Operating System ge multilin_n60_firmware < 8.10 Yes
Hardware ge multilin_n60 - No
Operating System ge multilin_t35_firmware < 8.10 Yes
Hardware ge multilin_t35 - No
Operating System ge multilin_t60_firmware < 8.10 Yes
Hardware ge multilin_t60 - No
Operating System ge multilin_c30_firmware < 8.10 Yes
Hardware ge multilin_c30 - 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 ge'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.