FKIE_CVE-2019-5134

Vulnerability from fkie_nvd - Published: 2020-03-11 22:27 - Updated: 2026-06-17 02:37
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
An exploitable regular expression without anchors vulnerability exists in the Web-Based Management (WBM) authentication functionality of WAGO PFC200 versions 03.00.39(12) and 03.01.07(13), and WAGO PFC100 version 03.00.39(12). A specially crafted authentication request can bypass regular expression filters, resulting in sensitive information disclosure.
References
talos-cna@cisco.comhttps://talosintelligence.com/vulnerability_reports/TALOS-2019-0923Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://talosintelligence.com/vulnerability_reports/TALOS-2019-0923Exploit, Third Party Advisory
Impacted products
Vendor Product Version
wago pfc200_firmware 03.00.39\(12\)
wago pfc200_firmware 03.01.07\(13\)
wago pfc200 -
wago pfc100_firmware 03.00.39\(12\)
wago pfc100 -
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "WAGO PFC200 Firmware",
          "vendor": "Wago",
          "versions": [
            {
              "status": "affected",
              "version": "version 03.00.39(12)"
            },
            {
              "status": "affected",
              "version": "version 03.01.07(13)"
            }
          ]
        },
        {
          "product": "WAGO PFC100 Firmware",
          "vendor": "Wago",
          "versions": [
            {
              "status": "affected",
              "version": "version 03.00.39(12)"
            }
          ]
        }
      ],
      "source": "talos-cna@cisco.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:wago:pfc200_firmware:03.00.39\\(12\\):*:*:*:*:*:*:*",
              "matchCriteriaId": "634EB95B-254B-4310-9192-5EE98F915CC7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:wago:pfc200_firmware:03.01.07\\(13\\):*:*:*:*:*:*:*",
              "matchCriteriaId": "EDEB63D9-EE1C-4005-B04C-7C9BBD746402",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:wago:pfc200:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "688A3248-7EAA-499D-A47C-A4D4900CDBD1",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:wago:pfc100_firmware:03.00.39\\(12\\):*:*:*:*:*:*:*",
              "matchCriteriaId": "8C1CFEE5-22F8-44D1-94D2-5AF753F0559E",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:wago:pfc100:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "8F636354-95A2-4B36-9666-1FA57F185432",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An exploitable regular expression without anchors vulnerability exists in the Web-Based Management (WBM) authentication functionality of WAGO PFC200 versions 03.00.39(12) and 03.01.07(13), and WAGO PFC100 version 03.00.39(12). A specially crafted authentication request can bypass regular expression filters, resulting in sensitive information disclosure."
    },
    {
      "lang": "es",
      "value": "Existe una vulnerabilidad expresi\u00f3n regular explotable sin anclaje en la funcionalidad de autenticaci\u00f3n de Web-Based Management (WBM) de WAGO PFC200 versiones 03.00.39(12) y 03.01.07(13), y WAGO PFC100 versi\u00f3n 03.00.39(12). Una petici\u00f3n de autenticaci\u00f3n especialmente dise\u00f1ada puede omitir los filtros de expresi\u00f3n regular, resultando en una divulgaci\u00f3n de informaci\u00f3n confidencial."
    }
  ],
  "id": "CVE-2019-5134",
  "lastModified": "2026-06-17T02:37:11.490",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-03-11T22:27:40.177",
  "references": [
    {
      "source": "talos-cna@cisco.com",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2019-0923"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2019-0923"
    }
  ],
  "sourceIdentifier": "talos-cna@cisco.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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.



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.