Vulnerability Monitor

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CVE-2020-7548


A CWE-330 - Use of Insufficiently Random Values vulnerability exists in Smartlink, PowerTag, and Wiser Series Gateways (see security notification for version information) that could allow unauthorized users to login.


Security Impact Summary

This vulnerability carries a CRITICAL severity rating with a CVSS v3.1 score of 9.8, 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), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 14 products from schneider-electric, from schneider-electric, from schneider-electric and 11 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2020, 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

2020-12-01T15:15:12.720

Last Modified

2024-11-21T05:37:21.567

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

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

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

10.0

Impact Score

6.4

Weaknesses
  • Type: Secondary
    CWE-330

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System schneider-electric acti9_smartlink_si_d_firmware < 002.004.002 Yes
Hardware schneider-electric acti9_smartlink_si_d - No
Operating System schneider-electric acti9_smartlink_si_b_firmware < 002.004.002 Yes
Hardware schneider-electric acti9_smartlink_si_b - No
Operating System schneider-electric acti9_powertag_link_firmware < 001.008.007 Yes
Hardware schneider-electric acti9_powertag_link - No
Operating System schneider-electric acti9_powertag_link_hd_firmware < 001.008.007 Yes
Hardware schneider-electric acti9_powertag_link_hd - No
Operating System schneider-electric acti9_smartlink_el_b_firmware < 1.2.1 Yes
Hardware schneider-electric acti9_smartlink_el_b - No
Operating System schneider-electric wiser_link_firmware < 1.5.0 Yes
Hardware schneider-electric wiser_link - No
Operating System schneider-electric wiser_energy_firmware < 1.5.0 Yes
Hardware schneider-electric wiser_energy - 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.