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GSD-2021-34581

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
Missing Release of Resource after Effective Lifetime vulnerability in OpenSSL implementation of WAGO 750-831/xxx-xxx, 750-880/xxx-xxx, 750-881, 750-889 in versions FW4 up to FW15 allows an unauthenticated attacker to cause DoS on the device.
Aliases
Aliases

{
  "GSD": {
    "alias": "CVE-2021-34581",
    "description": "Missing Release of Resource after Effective Lifetime vulnerability in OpenSSL implementation of WAGO 750-831/xxx-xxx, 750-880/xxx-xxx, 750-881, 750-889 in versions FW4 up to FW15 allows an unauthenticated attacker to cause DoS on the device.",
    "id": "GSD-2021-34581"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-34581"
      ],
      "details": "Missing Release of Resource after Effective Lifetime vulnerability in OpenSSL implementation of WAGO 750-831/xxx-xxx, 750-880/xxx-xxx, 750-881, 750-889 in versions FW4 up to FW15 allows an unauthenticated attacker to cause DoS on the device.",
      "id": "GSD-2021-34581",
      "modified": "2023-12-13T01:23:14.564476Z",
      "schema_version": "1.4.0"
    }
  },
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        "DATE_PUBLIC": "2021-08-31T07:00:00.000Z",
        "ID": "CVE-2021-34581",
        "STATE": "PUBLIC",
        "TITLE": "WAGO: Denial of Service vulnerability inside the OpenSSL implementation"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "750-831/xxx-xxx, 750-880/xxx-xxx, 750-881, 750-889",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003e=",
                          "version_name": "All",
                          "version_value": "FW4"
                        },
                        {
                          "version_affected": "\u003c=",
                          "version_name": "All",
                          "version_value": "FW15"
                        }
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                  }
                ]
              },
              "vendor_name": "WAGO"
            }
          ]
        }
      },
      "credit": [
        {
          "lang": "eng",
          "value": "These vulnerabilities were reported to WAGO by: Uwe Disch. Coordination done by CERT@VDE"
        }
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          }
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      },
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          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        }
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                "value": "CWE-772 Missing Release of Resource after Effective Lifetime"
              }
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      },
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          }
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      },
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        {
          "lang": "eng",
          "value": "Update the device to the latest FW version ( \u003eFW15 )."
        }
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      "source": {
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      },
      "work_around": [
        {
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          "value": "Restrict network access to the device.\nDo not directly connect the device to the internet\nDisable unused TCP/UDP-ports\nDisable Web Based Management ports 80/443 after configuration phase."
        }
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      "lastModifiedDate": "2021-09-09T12:10Z",
      "publishedDate": "2021-08-31T11:15Z"
    }
  }
}



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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.

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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.


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