GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2020-5801 (GCVE-0-2020-5801)

Vulnerability from cvelistv5 – Published: 2020-12-29 15:15 – Updated: 2024-08-04 08:39
VLAI
Summary
An attacker can craft and send an OpenNamespace message to port 4241 with valid session-id that triggers an unhandled exception in CFTLDManager::HandleRequest function in RnaDaSvr.dll, resulting in process termination. Observed in FactoryTalk Linx 6.11. All versions of FactoryTalk Linx are affected.
CWE
  • Unauthenticated Remote DoS
References
Impacted products
Vendor Product Version CPE status
n/a Rockwell FactoryTalk Linx Affected: All versions of FactoryTalk Linx
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T08:39:26.067Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.tenable.com/security/research/tra-2020-71"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Rockwell FactoryTalk Linx",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "All versions of FactoryTalk Linx"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An attacker can craft and send an OpenNamespace message to port 4241 with valid session-id that triggers an unhandled exception in CFTLDManager::HandleRequest function in RnaDaSvr.dll, resulting in process termination. Observed in FactoryTalk Linx 6.11. All versions of FactoryTalk Linx are affected."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Unauthenticated Remote DoS",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-12-29T15:15:32.000Z",
        "orgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be",
        "shortName": "tenable"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.tenable.com/security/research/tra-2020-71"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "vulnreport@tenable.com",
          "ID": "CVE-2020-5801",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Rockwell FactoryTalk Linx",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All versions of FactoryTalk Linx"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "An attacker can craft and send an OpenNamespace message to port 4241 with valid session-id that triggers an unhandled exception in CFTLDManager::HandleRequest function in RnaDaSvr.dll, resulting in process termination. Observed in FactoryTalk Linx 6.11. All versions of FactoryTalk Linx are affected."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Unauthenticated Remote DoS"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.tenable.com/security/research/tra-2020-71",
              "refsource": "CONFIRM",
              "url": "https://www.tenable.com/security/research/tra-2020-71"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be",
    "assignerShortName": "tenable",
    "cveId": "CVE-2020-5801",
    "datePublished": "2020-12-29T15:15:32.000Z",
    "dateReserved": "2020-01-06T00:00:00.000Z",
    "dateUpdated": "2024-08-04T08:39:26.067Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2020-5801",
      "date": "2026-09-18",
      "epss": "0.25219",
      "percentile": "0.97834"
    },
    "fkie_nvd": {
      "configurations": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:rockwellautomation:factorytalk_linx:*:*:*:*:*:*:*:*",
                  "matchCriteriaId": "89622117-4485-4204-A5DA-B72F7F13D353",
                  "versionEndIncluding": "6.11",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An attacker can craft and send an OpenNamespace message to port 4241 with valid session-id that triggers an unhandled exception in CFTLDManager::HandleRequest function in RnaDaSvr.dll, resulting in process termination. Observed in FactoryTalk Linx 6.11. All versions of FactoryTalk Linx are affected."
        },
        {
          "lang": "es",
          "value": "Un atacante puede crear y enviar un mensaje OpenNamespace al puerto 4241 con un ID de sesi\u00f3n v\u00e1lido que desencadena una excepci\u00f3n no controlada en la funci\u00f3n CFTLDManager::HandleRequest en la biblioteca RnaDaSvr.dll, resultando en una terminaci\u00f3n del proceso.\u0026#xa0;Observado en FactoryTalk Linx versi\u00f3n 6.11.\u0026#xa0;Todas las versiones de FactoryTalk Linx est\u00e1n afectadas"
        }
      ],
      "id": "CVE-2020-5801",
      "lastModified": "2024-11-21T05:34:37.333",
      "metrics": {
        "cvssMetricV2": [
          {
            "acInsufInfo": false,
            "baseSeverity": "MEDIUM",
            "cvssData": {
              "accessComplexity": "LOW",
              "accessVector": "NETWORK",
              "authentication": "NONE",
              "availabilityImpact": "PARTIAL",
              "baseScore": 5.0,
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
              "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": "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"
            },
            "exploitabilityScore": 3.9,
            "impactScore": 3.6,
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      },
      "published": "2020-12-29T16:15:14.730",
      "references": [
        {
          "source": "vulnreport@tenable.com",
          "tags": [
            "Third Party Advisory"
          ],
          "url": "https://www.tenable.com/security/research/tra-2020-71"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Third Party Advisory"
          ],
          "url": "https://www.tenable.com/security/research/tra-2020-71"
        }
      ],
      "sourceIdentifier": "vulnreport@tenable.com",
      "vulnStatus": "Modified",
      "weaknesses": [
        {
          "description": [
            {
              "lang": "en",
              "value": "CWE-755"
            }
          ],
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ]
    },
    "nvd": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:rockwellautomation:factorytalk_linx:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "89622117-4485-4204-A5DA-B72F7F13D353",
                    "versionEndIncluding": "6.11",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "An attacker can craft and send an OpenNamespace message to port 4241 with valid session-id that triggers an unhandled exception in CFTLDManager::HandleRequest function in RnaDaSvr.dll, resulting in process termination. Observed in FactoryTalk Linx 6.11. All versions of FactoryTalk Linx are affected."
          },
          {
            "lang": "es",
            "value": "Un atacante puede crear y enviar un mensaje OpenNamespace al puerto 4241 con un ID de sesi\u00f3n v\u00e1lido que desencadena una excepci\u00f3n no controlada en la funci\u00f3n CFTLDManager::HandleRequest en la biblioteca RnaDaSvr.dll, resultando en una terminaci\u00f3n del proceso.\u0026#xa0;Observado en FactoryTalk Linx versi\u00f3n 6.11.\u0026#xa0;Todas las versiones de FactoryTalk Linx est\u00e1n afectadas"
          }
        ],
        "id": "CVE-2020-5801",
        "lastModified": "2024-11-21T05:34:37.333",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "PARTIAL",
                "baseScore": 5.0,
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
                "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": "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"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2020-12-29T16:15:14.730",
        "references": [
          {
            "source": "vulnreport@tenable.com",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://www.tenable.com/security/research/tra-2020-71"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://www.tenable.com/security/research/tra-2020-71"
          }
        ],
        "sourceIdentifier": "vulnreport@tenable.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-755"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "current_release_date": "2025-05-22T17:42:09+00:00",
      "cve": "CVE-2020-5801",
      "id": "CVE-2020-5801",
      "initial_release_date": "2020-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "CVE-2020-5801",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-5801.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…

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.


Loading…