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

CVE-2020-7878 (GCVE-0-2020-7878)

Vulnerability from cvelistv5 – Published: 2021-12-28 19:09 – Updated: 2024-09-16 22:41
VLAI
Summary
An arbitrary file download and execution vulnerability was found in the VideoOffice X2.9 and earlier versions (CVE-2020-7878). This issue is due to missing support for integrity check.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-353 - Missing Support for Integrity Check
Assigner
References
Impacted products
Vendor Product Version CPE status
4NB VideoOffice Affected: X2.9 , < X2.10 (custom)
guessed Create a notification for this product.
Date Public
2021-11-16 00:00
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T09:41:01.884Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36349"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "platforms": [
            "Windows"
          ],
          "product": "VideoOffice",
          "vendor": "4NB",
          "versions": [
            {
              "lessThan": "X2.10",
              "status": "affected",
              "version": "X2.9",
              "versionType": "custom"
            }
          ]
        }
      ],
      "datePublic": "2021-11-16T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "An arbitrary file download and execution vulnerability was found in the VideoOffice X2.9 and earlier versions (CVE-2020-7878). This issue is due to missing support for integrity check."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-353",
              "description": "CWE-353 Missing Support for Integrity Check",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-12-28T19:09:21.000Z",
        "orgId": "cdd7a122-0fae-4202-8d86-14efbacc2863",
        "shortName": "krcert"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36349"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "vuln@krcert.or.kr",
          "DATE_PUBLIC": "2021-11-16T07:31:00.000Z",
          "ID": "CVE-2020-7878",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "VideoOffice",
                      "version": {
                        "version_data": [
                          {
                            "platform": "Windows",
                            "version_affected": "\u003c",
                            "version_name": "X2.9",
                            "version_value": "X2.10"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "4NB"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "An arbitrary file download and execution vulnerability was found in the VideoOffice X2.9 and earlier versions (CVE-2020-7878). This issue is due to missing support for integrity check."
            }
          ]
        },
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorstring": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-353 Missing Support for Integrity Check"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36349",
              "refsource": "MISC",
              "url": "https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36349"
            }
          ]
        },
        "source": {
          "discovery": "UNKNOWN"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cdd7a122-0fae-4202-8d86-14efbacc2863",
    "assignerShortName": "krcert",
    "cveId": "CVE-2020-7878",
    "datePublished": "2021-12-28T19:09:21.634Z",
    "dateReserved": "2020-01-22T00:00:00.000Z",
    "dateUpdated": "2024-09-16T22:41:33.761Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2020-7878",
      "date": "2026-09-15",
      "epss": "0.00689",
      "percentile": "0.50891"
    },
    "fkie_nvd": {
      "configurations": "[{\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:4nb:videooffice:*:*:*:*:*:*:*:*\", \"versionEndIncluding\": \"x2.9\", \"matchCriteriaId\": \"35F57607-87D6-48F2-B8EA-81FDDFF0F31F\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"A2572D17-1DE6-457B-99CC-64AFD54487EA\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"An arbitrary file download and execution vulnerability was found in the VideoOffice X2.9 and earlier versions (CVE-2020-7878). This issue is due to missing support for integrity check.\"}, {\"lang\": \"es\", \"value\": \"Se ha encontrado una vulnerabilidad de descarga y ejecuci\\u00f3n de archivos arbitrarios en VideoOffice versiones X2.9 y versiones anteriores (CVE-2020-7878). Este problema es debido a una falta de soporte para la comprobaci\\u00f3n de la integridad\"}]",
      "id": "CVE-2020-7878",
      "lastModified": "2024-11-21T05:37:57.883",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 9.8, \"baseSeverity\": \"CRITICAL\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 5.9}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:L/Au:N/C:P/I:P/A:P\", \"baseScore\": 7.5, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"HIGH\", \"exploitabilityScore\": 10.0, \"impactScore\": 6.4, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2021-12-28T20:15:08.163",
      "references": "[{\"url\": \"https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36349\", \"source\": \"vuln@krcert.or.kr\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36349\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}]",
      "sourceIdentifier": "vuln@krcert.or.kr",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"vuln@krcert.or.kr\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-353\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-345\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2020-7878\",\"sourceIdentifier\":\"vuln@krcert.or.kr\",\"published\":\"2021-12-28T20:15:08.163\",\"lastModified\":\"2024-11-21T05:37:57.883\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An arbitrary file download and execution vulnerability was found in the VideoOffice X2.9 and earlier versions (CVE-2020-7878). This issue is due to missing support for integrity check.\"},{\"lang\":\"es\",\"value\":\"Se ha encontrado una vulnerabilidad de descarga y ejecuci\u00f3n de archivos arbitrarios en VideoOffice versiones X2.9 y versiones anteriores (CVE-2020-7878). Este problema es debido a una falta de soporte para la comprobaci\u00f3n de la integridad\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:P/A:P\",\"baseScore\":7.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"vuln@krcert.or.kr\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-353\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-345\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:4nb:videooffice:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"x2.9\",\"matchCriteriaId\":\"35F57607-87D6-48F2-B8EA-81FDDFF0F31F\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A2572D17-1DE6-457B-99CC-64AFD54487EA\"}]}]}],\"references\":[{\"url\":\"https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36349\",\"source\":\"vuln@krcert.or.kr\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36349\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}",
    "redhat_vex": {
      "current_release_date": "2026-02-24T01:44:24+00:00",
      "cve": "CVE-2020-7878",
      "id": "CVE-2020-7878",
      "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-2020-7878",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-7878.json",
      "version": "3"
    }
  }
}



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.


Detection rules are retrieved from Rulezet.


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.