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

CVE-2023-5746 (GCVE-0-2023-5746)

Vulnerability from cvelistv5 – Published: 2023-10-24 07:32 – Updated: 2024-09-12 14:33
VLAI
Summary
A vulnerability regarding use of externally-controlled format string is found in the cgi component. This allows remote attackers to execute arbitrary code via unspecified vectors. The following models with Synology Camera Firmware versions before 1.0.5-0185 may be affected: BC500 and TC500.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-09 20:00 UTC
CWE
  • CWE-134 - Use of Externally-Controlled Format String
References
Impacted products
Vendor Product Version CPE status
Synology Camera Firmware Affected: 1.0 , < 1.0.5-0185 (semver)
guessed Create a notification for this product.
synology camera_firmware Affected: 0 , < 1.0.5-0185 (semver)
    cpe:2.3:a:synology:camera_firmware:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T08:07:32.655Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "Synology-SA-23:11 Synology Camera",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://www.synology.com/en-global/security/advisory/Synology_SA_23_11"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:synology:camera_firmware:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "camera_firmware",
            "vendor": "synology",
            "versions": [
              {
                "lessThan": "1.0.5-0185",
                "status": "affected",
                "version": "0",
                "versionType": "semver"
              }
            ]
          }
        ],
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-5746",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-09T20:00:45.716483Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-12T14:33:52.546Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "affected",
          "platforms": [
            "BC500",
            "TC500"
          ],
          "product": "Camera Firmware",
          "vendor": "Synology",
          "versions": [
            {
              "lessThan": "1.0.5-0185",
              "status": "affected",
              "version": "1.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "chumen77(GAO JUYANG) from WeBin Lab of DbappSecurity Co.,Ltd."
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability regarding use of externally-controlled format string is found in the cgi component. This allows remote attackers to execute arbitrary code via unspecified vectors. The following models with Synology Camera Firmware versions before 1.0.5-0185 may be affected: BC500 and TC500."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-134: Use of Externally-Controlled Format String",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-10-24T10:24:05.921Z",
        "orgId": "db201096-a0cc-46c7-9a55-61d9e221bf01",
        "shortName": "synology"
      },
      "references": [
        {
          "name": "Synology-SA-23:11 Synology Camera",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.synology.com/en-global/security/advisory/Synology_SA_23_11"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "db201096-a0cc-46c7-9a55-61d9e221bf01",
    "assignerShortName": "synology",
    "cveId": "CVE-2023-5746",
    "datePublished": "2023-10-24T07:32:14.184Z",
    "dateReserved": "2023-10-24T02:48:16.801Z",
    "dateUpdated": "2024-09-12T14:33:52.546Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2023-5746",
      "date": "2026-09-19",
      "epss": "0.01701",
      "percentile": "0.76189"
    },
    "fkie_nvd": {
      "configurations": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:synology:bc500_firmware:*:*:*:*:*:*:*:*",
                  "matchCriteriaId": "606E80D6-82AA-42EB-AD3F-DFB34847F7E4",
                  "versionEndExcluding": "1.0.5-0185",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            },
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:h:synology:bc500:-:*:*:*:*:*:*:*",
                  "matchCriteriaId": "5FD618BD-29BD-4F43-9BEF-F73065247580",
                  "vulnerable": false
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ],
          "operator": "AND"
        },
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:synology:tc500_firmware:*:*:*:*:*:*:*:*",
                  "matchCriteriaId": "18086F22-1F7B-4B3D-BF18-DFA3B0DD6783",
                  "versionEndExcluding": "1.0.5-0185",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            },
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:h:synology:tc500:-:*:*:*:*:*:*:*",
                  "matchCriteriaId": "582C2C89-3351-4DC6-B40A-7E2E4CA6AFEA",
                  "vulnerable": false
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ],
          "operator": "AND"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability regarding use of externally-controlled format string is found in the cgi component. This allows remote attackers to execute arbitrary code via unspecified vectors. The following models with Synology Camera Firmware versions before 1.0.5-0185 may be affected: BC500 and TC500."
        },
        {
          "lang": "es",
          "value": "Se encuentra una vulnerabilidad relacionada con el uso de cadenas de formato controladas externamente en el componente cgi. Esto permite a atacantes remotos ejecutar c\u00f3digo arbitrario a trav\u00e9s de vectores no especificados. Los siguientes modelos con versiones de Synology Camera Firmware anteriores a 1.0.5-0185 pueden verse afectados: BC500 y TC500."
        }
      ],
      "id": "CVE-2023-5746",
      "lastModified": "2024-11-21T08:42:24.153",
      "metrics": {
        "cvssMetricV31": [
          {
            "cvssData": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 9.8,
              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            },
            "exploitabilityScore": 3.9,
            "impactScore": 5.9,
            "source": "security@synology.com",
            "type": "Secondary"
          },
          {
            "cvssData": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 9.8,
              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            },
            "exploitabilityScore": 3.9,
            "impactScore": 5.9,
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      },
      "published": "2023-10-25T18:17:44.770",
      "references": [
        {
          "source": "security@synology.com",
          "tags": [
            "Vendor Advisory"
          ],
          "url": "https://www.synology.com/en-global/security/advisory/Synology_SA_23_11"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Vendor Advisory"
          ],
          "url": "https://www.synology.com/en-global/security/advisory/Synology_SA_23_11"
        }
      ],
      "sourceIdentifier": "security@synology.com",
      "vulnStatus": "Modified",
      "weaknesses": [
        {
          "description": [
            {
              "lang": "en",
              "value": "CWE-134"
            }
          ],
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ]
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "affected",
                "platforms": [
                  "BC500",
                  "TC500"
                ],
                "product": "Camera Firmware",
                "vendor": "Synology",
                "versions": [
                  {
                    "lessThan": "1.0.5-0185",
                    "status": "affected",
                    "version": "1.0",
                    "versionType": "semver"
                  }
                ]
              }
            ],
            "source": "security@synology.com"
          },
          {
            "affectedData": [
              {
                "cpes": [
                  "cpe:2.3:a:synology:camera_firmware:*:*:*:*:*:*:*:*"
                ],
                "defaultStatus": "unknown",
                "product": "camera_firmware",
                "vendor": "synology",
                "versions": [
                  {
                    "lessThan": "1.0.5-0185",
                    "status": "affected",
                    "version": "0",
                    "versionType": "semver"
                  }
                ]
              }
            ],
            "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
          }
        ],
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:synology:bc500_firmware:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "606E80D6-82AA-42EB-AD3F-DFB34847F7E4",
                    "versionEndExcluding": "1.0.5-0185",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:synology:bc500:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "5FD618BD-29BD-4F43-9BEF-F73065247580",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:synology:tc500_firmware:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "18086F22-1F7B-4B3D-BF18-DFA3B0DD6783",
                    "versionEndExcluding": "1.0.5-0185",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:synology:tc500:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "582C2C89-3351-4DC6-B40A-7E2E4CA6AFEA",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "A vulnerability regarding use of externally-controlled format string is found in the cgi component. This allows remote attackers to execute arbitrary code via unspecified vectors. The following models with Synology Camera Firmware versions before 1.0.5-0185 may be affected: BC500 and TC500."
          },
          {
            "lang": "es",
            "value": "Se encuentra una vulnerabilidad relacionada con el uso de cadenas de formato controladas externamente en el componente cgi. Esto permite a atacantes remotos ejecutar c\u00f3digo arbitrario a trav\u00e9s de vectores no especificados. Los siguientes modelos con versiones de Synology Camera Firmware anteriores a 1.0.5-0185 pueden verse afectados: BC500 y TC500."
          }
        ],
        "id": "CVE-2023-5746",
        "lastModified": "2026-06-17T06:49:17.067",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 9.8,
                "baseSeverity": "CRITICAL",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 5.9,
              "source": "security@synology.com",
              "type": "Secondary"
            },
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 9.8,
                "baseSeverity": "CRITICAL",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 5.9,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2023-5746",
                "options": [
                  {
                    "exploitation": "none"
                  },
                  {
                    "automatable": "yes"
                  },
                  {
                    "technicalImpact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-09T20:00:45.716483Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2023-10-25T18:17:44.770",
        "references": [
          {
            "source": "security@synology.com",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://www.synology.com/en-global/security/advisory/Synology_SA_23_11"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://www.synology.com/en-global/security/advisory/Synology_SA_23_11"
          }
        ],
        "sourceIdentifier": "security@synology.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-134"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "current_release_date": "2025-05-28T23:07:58+00:00",
      "cve": "CVE-2023-5746",
      "id": "CVE-2023-5746",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "CVE-2023-5746",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-5746.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-02T08:07:32.655Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "name": "Synology-SA-23:11 Synology Camera",
                "tags": [
                  "vendor-advisory",
                  "x_transferred"
                ],
                "url": "https://www.synology.com/en-global/security/advisory/Synology_SA_23_11"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "affected": [
              {
                "cpes": [
                  "cpe:2.3:a:synology:camera_firmware:*:*:*:*:*:*:*:*"
                ],
                "defaultStatus": "unknown",
                "product": "camera_firmware",
                "vendor": "synology",
                "versions": [
                  {
                    "lessThan": "1.0.5-0185",
                    "status": "affected",
                    "version": "0",
                    "versionType": "semver"
                  }
                ]
              }
            ],
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2023-5746",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "yes"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2024-09-09T20:00:45.716483Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2024-09-09T20:00:19.868Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "affected",
              "platforms": [
                "BC500",
                "TC500"
              ],
              "product": "Camera Firmware",
              "vendor": "Synology",
              "versions": [
                {
                  "lessThan": "1.0.5-0185",
                  "status": "affected",
                  "version": "1.0",
                  "versionType": "semver"
                }
              ]
            }
          ],
          "credits": [
            {
              "lang": "en",
              "type": "finder",
              "value": "chumen77(GAO JUYANG) from WeBin Lab of DbappSecurity Co.,Ltd."
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "A vulnerability regarding use of externally-controlled format string is found in the cgi component. This allows remote attackers to execute arbitrary code via unspecified vectors. The following models with Synology Camera Firmware versions before 1.0.5-0185 may be affected: BC500 and TC500."
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 9.8,
                "baseSeverity": "CRITICAL",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "CWE-134: Use of Externally-Controlled Format String",
                  "lang": "en"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-10-24T10:24:05.921Z",
            "orgId": "db201096-a0cc-46c7-9a55-61d9e221bf01",
            "shortName": "synology"
          },
          "references": [
            {
              "name": "Synology-SA-23:11 Synology Camera",
              "tags": [
                "vendor-advisory"
              ],
              "url": "https://www.synology.com/en-global/security/advisory/Synology_SA_23_11"
            }
          ]
        }
      },
      "cveMetadata": {
        "assignerOrgId": "db201096-a0cc-46c7-9a55-61d9e221bf01",
        "assignerShortName": "synology",
        "cveId": "CVE-2023-5746",
        "datePublished": "2023-10-24T07:32:14.184Z",
        "dateReserved": "2023-10-24T02:48:16.801Z",
        "dateUpdated": "2024-09-12T14:33:52.546Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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…