Vulnerability-Lookup

VAR-202009-0569

Vulnerability from variot - Updated: 2023-12-18 11:53

A vulnerability has been identified in SIMATIC HMI Unified Comfort Panels (All versions <= V16). Affected devices insufficiently validate authentication attempts as the information given can be truncated to match only a set number of characters versus the whole provided string. This could allow a remote attacker to discover user passwords and obtain access to the Sm@rt Server via a brute-force attack. SIMATIC HMI Unified Comfort Panels Contains an authentication vulnerability.Information is obtained, information is tampered with, and service is disrupted (DoS) It may be put into a state. Siemens SIMATIC HMI panels are used to control and monitor HMI software for machines and equipment.

Siemens SIMATIC HMI products have security vulnerabilities

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CVE-2020-15787 (GCVE-0-2020-15787)

Vulnerability from cvelistv5 – Published: 2020-09-09 18:11 – Updated: 2024-08-04 13:22

Summary

Severity

No CVSS data available.

CWE

CWE-305 - Authentication Bypass by Primary Weakness

Assigner

siemens CNA under the icscert root

CNA scorecard C 65/100 over 66 records in the last 180 days details

References

1 reference

URL	Tags
https://cert-portal.siemens.com/productcert/pdf/s…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Siemens	SIMATIC HMI Unified Comfort Panels	Affected: All versions <= V16

Show details on NVD website

JSON

To clipboard

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  "containers": {
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      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T13:22:30.904Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-542525.pdf"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "SIMATIC HMI Unified Comfort Panels",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions \u003c= V16"
            }
          ]
        }
      ],
      "descriptions": [
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          "value": "A vulnerability has been identified in SIMATIC HMI Unified Comfort Panels (All versions \u003c= V16). Affected devices insufficiently validate authentication attempts as the information given can be truncated to match only a set number of characters versus the whole provided string. This could allow a remote attacker to discover user passwords and obtain access to the Sm@rt Server via a brute-force attack."
        }
      ],
      "problemTypes": [
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          "descriptions": [
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              "description": "CWE-305: Authentication Bypass by Primary Weakness",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-06-08T19:47:15.000Z",
        "orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
        "shortName": "siemens"
      },
      "references": [
        {
          "tags": [
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          ],
          "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-542525.pdf"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "productcert@siemens.com",
          "ID": "CVE-2020-15787",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
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            }
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        },
        "problemtype": {
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        },
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          "reference_data": [
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    "datePublished": "2020-09-09T18:11:40.000Z",
    "dateReserved": "2020-07-15T00:00:00.000Z",
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    "state": "PUBLISHED"
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  "dataVersion": "5.1"
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

VAR-202009-0569

CVE-2020-15787 (GCVE-0-2020-15787)

Tags

Sightings

Nomenclature

Related by attack behaviour