CVE-2021-33720 (GCVE-0-2021-33720)

Vulnerability from cvelistv5 – Published: 2021-09-14 10:47 – Updated: 2024-08-03 23:58
VLAI?
Summary
A vulnerability has been identified in SIPROTEC 5 relays with CPU variants CP050 (All versions < V8.80), SIPROTEC 5 relays with CPU variants CP100 (All versions < V8.80), SIPROTEC 5 relays with CPU variants CP300 (All versions < V8.80). Specially crafted packets sent to port 4443/tcp could cause a Denial-of-Service condition.
Severity ?
No CVSS data available.
CWE
  • CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
Impacted products
Vendor Product Version
Siemens SIPROTEC 5 relays with CPU variants CP050 Affected: All versions < V8.80
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T23:58:22.902Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-847986.pdf"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "SIPROTEC 5 relays with CPU variants CP050",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions \u003c V8.80"
            }
          ]
        },
        {
          "product": "SIPROTEC 5 relays with CPU variants CP100",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions \u003c V8.80"
            }
          ]
        },
        {
          "product": "SIPROTEC 5 relays with CPU variants CP300",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions \u003c V8.80"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability has been identified in SIPROTEC 5 relays with CPU variants CP050 (All versions \u003c V8.80), SIPROTEC 5 relays with CPU variants CP100 (All versions \u003c V8.80), SIPROTEC 5 relays with CPU variants CP300 (All versions \u003c V8.80). Specially crafted packets sent to port 4443/tcp could cause a Denial-of-Service condition."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-120",
              "description": "CWE-120: Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-10-12T09:49:22.000Z",
        "orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
        "shortName": "siemens"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-847986.pdf"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "productcert@siemens.com",
          "ID": "CVE-2021-33720",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "SIPROTEC 5 relays with CPU variants CP050",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All versions \u003c V8.80"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "SIPROTEC 5 relays with CPU variants CP100",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All versions \u003c V8.80"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "SIPROTEC 5 relays with CPU variants CP300",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All versions \u003c V8.80"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Siemens"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A vulnerability has been identified in SIPROTEC 5 relays with CPU variants CP050 (All versions \u003c V8.80), SIPROTEC 5 relays with CPU variants CP100 (All versions \u003c V8.80), SIPROTEC 5 relays with CPU variants CP300 (All versions \u003c V8.80). Specially crafted packets sent to port 4443/tcp could cause a Denial-of-Service condition."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-120: Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-847986.pdf",
              "refsource": "MISC",
              "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-847986.pdf"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
    "assignerShortName": "siemens",
    "cveId": "CVE-2021-33720",
    "datePublished": "2021-09-14T10:47:36.000Z",
    "dateReserved": "2021-05-28T00:00:00.000Z",
    "dateUpdated": "2024-08-03T23:58:22.902Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.