CVE-2020-8973 (GCVE-0-2020-8973)

Vulnerability from cvelistv5 – Published: 2022-10-17 21:17 – Updated: 2025-05-13 15:00
VLAI
Title
ZGR TPS200 NG Improper access control
Summary
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.
Severity
9.3 (Critical)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
CWE
  • CWE-284 - improper access control
Assigner
References
Impacted products
Vendor Product Version
ZGR ZGR TPS200 NG Affected: 2.00 firmware version 2.00
Affected: 1.01 hardware version 1.01
Create a notification for this product.
Date Public
2022-09-29 22:00
Credits
Discovered by the Industrial Cybersecurity team of S21sec, special mention to Aar�n Flecha Men�ndez.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T10:19:19.113Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.incibe.es/en/incibe-cert/notices/aviso-sci/multiple-vulnerabilities-zgr-tps200-ng"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2020-8973",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-05-13T15:00:24.276686Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-05-13T15:00:32.012Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "ZGR TPS200 NG",
          "vendor": "ZGR",
          "versions": [
            {
              "status": "affected",
              "version": "2.00 firmware version 2.00"
            },
            {
              "status": "affected",
              "version": "1.01 hardware version 1.01"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "user": "00000000-0000-4000-9000-000000000000",
          "value": "Discovered by the Industrial Cybersecurity team of S21sec, special mention to Aar\ufffdn Flecha Men\ufffdndez."
        }
      ],
      "datePublic": "2022-09-29T22:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "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."
            }
          ],
          "value": "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."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 9.3,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-284",
              "description": "CWE-284: improper access control",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-11-20T10:13:49.428Z",
        "orgId": "0cbda920-cd7f-484a-8e76-bf7f4b7f4516",
        "shortName": "INCIBE"
      },
      "references": [
        {
          "url": "https://www.incibe.es/en/incibe-cert/notices/aviso-sci/multiple-vulnerabilities-zgr-tps200-ng"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "The ZGR team is working on a new design of the TPS, which will include the necessary cybersecurity measures to address the identified vulnerabilities. Affected equipment must be connected to properly isolated and secured networks to avoid potential risks."
            }
          ],
          "value": "The ZGR team is working on a new design of the TPS, which will include the necessary cybersecurity measures to address the identified vulnerabilities. Affected equipment must be connected to properly isolated and secured networks to avoid potential risks."
        }
      ],
      "source": {
        "advisory": "INCIBE-2022-0936",
        "defect": [
          "INCIBE-2020-0029"
        ],
        "discovery": "EXTERNAL"
      },
      "title": "ZGR TPS200 NG Improper access control",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "0cbda920-cd7f-484a-8e76-bf7f4b7f4516",
    "assignerShortName": "INCIBE",
    "cveId": "CVE-2020-8973",
    "datePublished": "2022-10-17T21:17:28.108Z",
    "dateReserved": "2020-02-13T00:00:00.000Z",
    "dateUpdated": "2025-05-13T15:00:32.012Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2020-8973",
      "date": "2026-05-27",
      "epss": "0.00086",
      "percentile": "0.24682"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2020-8973\",\"sourceIdentifier\":\"cve-coordination@incibe.es\",\"published\":\"2022-10-17T22:15:10.023\",\"lastModified\":\"2024-11-21T05:39:45.780\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"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.\"},{\"lang\":\"es\",\"value\":\"ZGR TPS200 NG en su versi\u00f3n de firmware 2.00 y en su versi\u00f3n de hardware 1.01, no acepta apropiadamente peticiones especialmente construidas. Esto permite que un atacante con acceso a la red donde es encontrado el activo afectado, pueda operar y cambiar varios par\u00e1metros sin necesidad de estar registrado como usuario en la web que posee el dispositivo\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"cve-coordination@incibe.es\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N\",\"baseScore\":9.3,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":5.8},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N\",\"baseScore\":8.1,\"baseSeverity\":\"HIGH\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":5.2}]},\"weaknesses\":[{\"source\":\"cve-coordination@incibe.es\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-284\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:zigor:zgr_tps200_ng_firmware:2.00:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F42D21EF-7B57-43BB-8515-809E45880176\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:zigor:zgr_tps200_ng:1.01:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"ABB13226-AA1F-4DA9-925D-832EFAC30748\"}]}]}],\"references\":[{\"url\":\"https://www.incibe.es/en/incibe-cert/notices/aviso-sci/multiple-vulnerabilities-zgr-tps200-ng\",\"source\":\"cve-coordination@incibe.es\"},{\"url\":\"https://www.incibe.es/en/incibe-cert/notices/aviso-sci/multiple-vulnerabilities-zgr-tps200-ng\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://www.incibe.es/en/incibe-cert/notices/aviso-sci/multiple-vulnerabilities-zgr-tps200-ng\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-04T10:19:19.113Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2020-8973\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-05-13T15:00:24.276686Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-05-13T15:00:28.648Z\"}}], \"cna\": {\"title\": \"ZGR TPS200 NG Improper access control\", \"source\": {\"defect\": [\"INCIBE-2020-0029\"], \"advisory\": \"INCIBE-2022-0936\", \"discovery\": \"EXTERNAL\"}, \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"user\": \"00000000-0000-4000-9000-000000000000\", \"value\": \"Discovered by the Industrial Cybersecurity team of S21sec, special mention to Aar\\ufffdn Flecha Men\\ufffdndez.\"}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"CHANGED\", \"version\": \"3.1\", \"baseScore\": 9.3, \"attackVector\": \"ADJACENT_NETWORK\", \"baseSeverity\": \"CRITICAL\", \"vectorString\": \"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"ZGR\", \"product\": \"ZGR TPS200 NG\", \"versions\": [{\"status\": \"affected\", \"version\": \"2.00 firmware version 2.00\"}, {\"status\": \"affected\", \"version\": \"1.01 hardware version 1.01\"}], \"defaultStatus\": \"unaffected\"}], \"solutions\": [{\"lang\": \"en\", \"value\": \"The ZGR team is working on a new design of the TPS, which will include the necessary cybersecurity measures to address the identified vulnerabilities. Affected equipment must be connected to properly isolated and secured networks to avoid potential risks.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"The ZGR team is working on a new design of the TPS, which will include the necessary cybersecurity measures to address the identified vulnerabilities. Affected equipment must be connected to properly isolated and secured networks to avoid potential risks.\", \"base64\": false}]}], \"datePublic\": \"2022-09-29T22:00:00.000Z\", \"references\": [{\"url\": \"https://www.incibe.es/en/incibe-cert/notices/aviso-sci/multiple-vulnerabilities-zgr-tps200-ng\"}], \"x_generator\": {\"engine\": \"Vulnogram 0.0.9\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"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.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"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.\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-284\", \"description\": \"CWE-284: improper access control\"}]}], \"providerMetadata\": {\"orgId\": \"0cbda920-cd7f-484a-8e76-bf7f4b7f4516\", \"shortName\": \"INCIBE\", \"dateUpdated\": \"2023-11-20T10:13:49.428Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2020-8973\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-13T15:00:32.012Z\", \"dateReserved\": \"2020-02-13T00:00:00.000Z\", \"assignerOrgId\": \"0cbda920-cd7f-484a-8e76-bf7f4b7f4516\", \"datePublished\": \"2022-10-17T21:17:28.108Z\", \"assignerShortName\": \"INCIBE\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.