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

CVE-2021-20713 (GCVE-0-2021-20713)

Vulnerability from cvelistv5 – Published: 2021-05-24 03:20 – Updated: 2024-08-03 17:53
VLAI
Summary
Privilege escalation vulnerability in QND Advance/Premium/Standard Ver.11.0.4i and earlier allows an attacker who can log in to the PC where the product's Windows client is installed to gain administrative privileges via unspecified vectors. As a result, sensitive information may be altered/obtained or unintended operations may be performed.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • Privilege escalation
Assigner
References
Impacted products
Vendor Product Version CPE status
QualitySoft Corporation QND Advance/Premium/Standard Affected: Ver.11.0.4i and earlier
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:53:21.240Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.qualitysoft.com/product/qnd_vulnerabilities_2021/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://jvn.jp/en/jp/JVN74686032/index.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "QND Advance/Premium/Standard",
          "vendor": "QualitySoft Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "Ver.11.0.4i and earlier"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Privilege escalation vulnerability in QND Advance/Premium/Standard Ver.11.0.4i and earlier allows an attacker who can log in to the PC where the product\u0027s Windows client is installed to gain administrative privileges via unspecified vectors. As a result, sensitive information may be altered/obtained or unintended operations may be performed."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Privilege escalation",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-05-24T03:20:28.000Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.qualitysoft.com/product/qnd_vulnerabilities_2021/"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://jvn.jp/en/jp/JVN74686032/index.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "vultures@jpcert.or.jp",
          "ID": "CVE-2021-20713",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "QND Advance/Premium/Standard",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "Ver.11.0.4i and earlier"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "QualitySoft Corporation"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Privilege escalation vulnerability in QND Advance/Premium/Standard Ver.11.0.4i and earlier allows an attacker who can log in to the PC where the product\u0027s Windows client is installed to gain administrative privileges via unspecified vectors. As a result, sensitive information may be altered/obtained or unintended operations may be performed."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Privilege escalation"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.qualitysoft.com/product/qnd_vulnerabilities_2021/",
              "refsource": "MISC",
              "url": "https://www.qualitysoft.com/product/qnd_vulnerabilities_2021/"
            },
            {
              "name": "https://jvn.jp/en/jp/JVN74686032/index.html",
              "refsource": "MISC",
              "url": "https://jvn.jp/en/jp/JVN74686032/index.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2021-20713",
    "datePublished": "2021-05-24T03:20:28.000Z",
    "dateReserved": "2020-12-17T00:00:00.000Z",
    "dateUpdated": "2024-08-03T17:53:21.240Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2021-20713",
      "date": "2026-09-16",
      "epss": "0.0022",
      "percentile": "0.12646"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:qualitysoft:qnd:*:*:*:*:advance:*:*:*\", \"versionEndIncluding\": \"11.0.4i\", \"matchCriteriaId\": \"90CDA95B-8288-4274-A523-1CBE56740651\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:qualitysoft:qnd:*:*:*:*:premium:*:*:*\", \"versionEndIncluding\": \"11.0.4i\", \"matchCriteriaId\": \"E1AEE97C-7915-4138-B12B-3806C62F77B8\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:qualitysoft:qnd:*:*:*:*:standard:*:*:*\", \"versionEndIncluding\": \"11.0.4i\", \"matchCriteriaId\": \"FCA7169D-9F69-4796-9A6F-3779D0BCE6C9\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"Privilege escalation vulnerability in QND Advance/Premium/Standard Ver.11.0.4i and earlier allows an attacker who can log in to the PC where the product\u0027s Windows client is installed to gain administrative privileges via unspecified vectors. As a result, sensitive information may be altered/obtained or unintended operations may be performed.\"}, {\"lang\": \"es\", \"value\": \"Una vulnerabilidad de  escalada de privilegios en QND Advance/Premium/Standard Ver.11.0.4i y anteriores, permite a un atacante que pueda iniciar sesi\\u00f3n en la PC donde est\\u00e1 instalado el cliente Windows del producto obtener privilegios administrativos por medio de vectores no especificados.\u0026#xa0;Como resultado, se puede alterar y obtener informaci\\u00f3n confidencial o se pueden lleva a cabo operaciones no deseadas\"}]",
      "id": "CVE-2021-20713",
      "lastModified": "2024-11-21T05:47:03.627",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 7.8, \"baseSeverity\": \"HIGH\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 5.9}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:L/AC:L/Au:N/C:P/I:P/A:P\", \"baseScore\": 4.6, \"accessVector\": \"LOCAL\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 3.9, \"impactScore\": 6.4, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2021-05-24T04:15:11.433",
      "references": "[{\"url\": \"https://jvn.jp/en/jp/JVN74686032/index.html\", \"source\": \"vultures@jpcert.or.jp\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://www.qualitysoft.com/product/qnd_vulnerabilities_2021/\", \"source\": \"vultures@jpcert.or.jp\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://jvn.jp/en/jp/JVN74686032/index.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://www.qualitysoft.com/product/qnd_vulnerabilities_2021/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}]",
      "sourceIdentifier": "vultures@jpcert.or.jp",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-269\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-20713\",\"sourceIdentifier\":\"vultures@jpcert.or.jp\",\"published\":\"2021-05-24T04:15:11.433\",\"lastModified\":\"2024-11-21T05:47:03.627\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Privilege escalation vulnerability in QND Advance/Premium/Standard Ver.11.0.4i and earlier allows an attacker who can log in to the PC where the product\u0027s Windows client is installed to gain administrative privileges via unspecified vectors. As a result, sensitive information may be altered/obtained or unintended operations may be performed.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad de  escalada de privilegios en QND Advance/Premium/Standard Ver.11.0.4i y anteriores, permite a un atacante que pueda iniciar sesi\u00f3n en la PC donde est\u00e1 instalado el cliente Windows del producto obtener privilegios administrativos por medio de vectores no especificados.\u0026#xa0;Como resultado, se puede alterar y obtener informaci\u00f3n confidencial o se pueden lleva a cabo operaciones no deseadas\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:P/I:P/A:P\",\"baseScore\":4.6,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":3.9,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-269\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:qualitysoft:qnd:*:*:*:*:advance:*:*:*\",\"versionEndIncluding\":\"11.0.4i\",\"matchCriteriaId\":\"90CDA95B-8288-4274-A523-1CBE56740651\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:qualitysoft:qnd:*:*:*:*:premium:*:*:*\",\"versionEndIncluding\":\"11.0.4i\",\"matchCriteriaId\":\"E1AEE97C-7915-4138-B12B-3806C62F77B8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:qualitysoft:qnd:*:*:*:*:standard:*:*:*\",\"versionEndIncluding\":\"11.0.4i\",\"matchCriteriaId\":\"FCA7169D-9F69-4796-9A6F-3779D0BCE6C9\"}]}]}],\"references\":[{\"url\":\"https://jvn.jp/en/jp/JVN74686032/index.html\",\"source\":\"vultures@jpcert.or.jp\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.qualitysoft.com/product/qnd_vulnerabilities_2021/\",\"source\":\"vultures@jpcert.or.jp\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://jvn.jp/en/jp/JVN74686032/index.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.qualitysoft.com/product/qnd_vulnerabilities_2021/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}",
    "redhat_vex": {
      "current_release_date": "2026-03-27T15:00:36+00:00",
      "cve": "CVE-2021-20713",
      "id": "CVE-2021-20713",
      "initial_release_date": "2021-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "CVE-2021-20713",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-20713.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.