CVE-2020-8973 - CVE House
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Status published Critical CVE-2020-8973

ZGR TPS200 NG Improper access control

Vulnerability Description

ZGR TPS200 NG in its 2.00 firmware version and 1.01 hardware version, does not properly accept specially constructed requests. This allows an attacker with access to the network where the affected asset is located, to operate and change several parameters without having to be registered as a user on the web that owns the device.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Discovered by the Industrial Cybersecurity team of S21sec, special mention to Aar�n Flecha Men�ndez.

Affected Vendor

Affected Software

ZGR TPS200 NG
Vulnerable Versions:
2.00 firmware version 2.00, 1.01 hardware version 1.01

Timeline

Official Publish: October 17th, 2022
Last Modified: May 13th, 2025
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

Weaknesses (CWE)