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

CVE-2021-20661 (GCVE-0-2021-20661)

Vulnerability from cvelistv5 – Published: 2021-02-24 03:51 – Updated: 2024-08-03 17:45
VLAI
Summary
Directory traversal vulnerability in SolarView Compact SV-CPT-MC310 prior to Ver.6.5 allows authenticated attackers to delete arbitrary files and/or directories on the server via unspecified vectors.
Severity
8.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
CWE
  • Directory traversal
Assigner
References
Impacted products
Vendor Product Version CPE status
Contec Co., Ltd. SolarView Compact Affected: SV-CPT-MC310 prior to Ver.6.5
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:45:45.234Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.contec.com/jp/api/downloadlogger?download=https://www.contec.com/jp/-/media/contec/jp/support/security-info/contec_security_solarview_210216.pdf"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.contec.com/jp/download/contract/contract2/?itemid=b28c8b7c-9f40-40b2-843c-b5b04c035b0e\u0026downloaditemid=fa248fba-8901-4d9e-8212-b139f2defbdf"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://jvn.jp/en/jp/JVN37417423/index.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "SolarView Compact",
          "vendor": "Contec Co., Ltd.",
          "versions": [
            {
              "status": "affected",
              "version": "SV-CPT-MC310 prior to Ver.6.5"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Directory traversal vulnerability in SolarView Compact SV-CPT-MC310 prior to Ver.6.5 allows authenticated attackers to delete arbitrary files and/or directories on the server via unspecified vectors."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Directory traversal",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-02-24T03:51:47.000Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.contec.com/jp/api/downloadlogger?download=https://www.contec.com/jp/-/media/contec/jp/support/security-info/contec_security_solarview_210216.pdf"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.contec.com/jp/download/contract/contract2/?itemid=b28c8b7c-9f40-40b2-843c-b5b04c035b0e\u0026downloaditemid=fa248fba-8901-4d9e-8212-b139f2defbdf"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://jvn.jp/en/jp/JVN37417423/index.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "vultures@jpcert.or.jp",
          "ID": "CVE-2021-20661",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "SolarView Compact",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "SV-CPT-MC310 prior to Ver.6.5"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Contec Co., Ltd."
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Directory traversal vulnerability in SolarView Compact SV-CPT-MC310 prior to Ver.6.5 allows authenticated attackers to delete arbitrary files and/or directories on the server via unspecified vectors."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Directory traversal"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.contec.com/jp/api/downloadlogger?download=https://www.contec.com/jp/-/media/contec/jp/support/security-info/contec_security_solarview_210216.pdf",
              "refsource": "MISC",
              "url": "https://www.contec.com/jp/api/downloadlogger?download=https://www.contec.com/jp/-/media/contec/jp/support/security-info/contec_security_solarview_210216.pdf"
            },
            {
              "name": "https://www.contec.com/jp/download/contract/contract2/?itemid=b28c8b7c-9f40-40b2-843c-b5b04c035b0e\u0026downloaditemid=fa248fba-8901-4d9e-8212-b139f2defbdf",
              "refsource": "MISC",
              "url": "https://www.contec.com/jp/download/contract/contract2/?itemid=b28c8b7c-9f40-40b2-843c-b5b04c035b0e\u0026downloaditemid=fa248fba-8901-4d9e-8212-b139f2defbdf"
            },
            {
              "name": "https://jvn.jp/en/jp/JVN37417423/index.html",
              "refsource": "MISC",
              "url": "https://jvn.jp/en/jp/JVN37417423/index.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2021-20661",
    "datePublished": "2021-02-24T03:51:47.000Z",
    "dateReserved": "2020-12-17T00:00:00.000Z",
    "dateUpdated": "2024-08-03T17:45:45.234Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2021-20661",
      "date": "2026-09-15",
      "epss": "0.02471",
      "percentile": "0.83643"
    },
    "fkie_nvd": {
      "configurations": "[{\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:contec:sv-cpt-mc310_firmware:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"6.5\", \"matchCriteriaId\": \"F8EF2969-D593-4759-849A-FA0C3B0C7524\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:contec:sv-cpt-mc310:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"F9FCCA5E-19F8-47D9-A6C6-77AF2AEFD51A\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"Directory traversal vulnerability in SolarView Compact SV-CPT-MC310 prior to Ver.6.5 allows authenticated attackers to delete arbitrary files and/or directories on the server via unspecified vectors.\"}, {\"lang\": \"es\", \"value\": \"Una vulnerabilidad de salto de directorios en SolarView Compact SV-CPT-MC310 versiones anteriores a Ver.6.5, permite a atacantes autenticados eliminar archivos y/o directorios arbitrarios en el servidor por medio de vectores no especificados\"}]",
      "id": "CVE-2021-20661",
      "lastModified": "2024-11-21T05:46:57.907",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H\", \"baseScore\": 8.1, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 2.8, \"impactScore\": 5.2}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:L/Au:S/C:N/I:P/A:P\", \"baseScore\": 5.5, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"SINGLE\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 8.0, \"impactScore\": 4.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2021-02-24T12:15:23.097",
      "references": "[{\"url\": \"https://jvn.jp/en/jp/JVN37417423/index.html\", \"source\": \"vultures@jpcert.or.jp\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://www.contec.com/jp/api/downloadlogger?download=https://www.contec.com/jp/-/media/contec/jp/support/security-info/contec_security_solarview_210216.pdf\", \"source\": \"vultures@jpcert.or.jp\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://www.contec.com/jp/download/contract/contract2/?itemid=b28c8b7c-9f40-40b2-843c-b5b04c035b0e\u0026downloaditemid=fa248fba-8901-4d9e-8212-b139f2defbdf\", \"source\": \"vultures@jpcert.or.jp\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://jvn.jp/en/jp/JVN37417423/index.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://www.contec.com/jp/api/downloadlogger?download=https://www.contec.com/jp/-/media/contec/jp/support/security-info/contec_security_solarview_210216.pdf\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://www.contec.com/jp/download/contract/contract2/?itemid=b28c8b7c-9f40-40b2-843c-b5b04c035b0e\u0026downloaditemid=fa248fba-8901-4d9e-8212-b139f2defbdf\", \"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-22\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-20661\",\"sourceIdentifier\":\"vultures@jpcert.or.jp\",\"published\":\"2021-02-24T12:15:23.097\",\"lastModified\":\"2024-11-21T05:46:57.907\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Directory traversal vulnerability in SolarView Compact SV-CPT-MC310 prior to Ver.6.5 allows authenticated attackers to delete arbitrary files and/or directories on the server via unspecified vectors.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad de salto de directorios en SolarView Compact SV-CPT-MC310 versiones anteriores a Ver.6.5, permite a atacantes autenticados eliminar archivos y/o directorios arbitrarios en el servidor por medio de vectores no especificados\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H\",\"baseScore\":8.1,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":5.2}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:S/C:N/I:P/A:P\",\"baseScore\":5.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"SINGLE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.0,\"impactScore\":4.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-22\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:contec:sv-cpt-mc310_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"6.5\",\"matchCriteriaId\":\"F8EF2969-D593-4759-849A-FA0C3B0C7524\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:contec:sv-cpt-mc310:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F9FCCA5E-19F8-47D9-A6C6-77AF2AEFD51A\"}]}]}],\"references\":[{\"url\":\"https://jvn.jp/en/jp/JVN37417423/index.html\",\"source\":\"vultures@jpcert.or.jp\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.contec.com/jp/api/downloadlogger?download=https://www.contec.com/jp/-/media/contec/jp/support/security-info/contec_security_solarview_210216.pdf\",\"source\":\"vultures@jpcert.or.jp\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.contec.com/jp/download/contract/contract2/?itemid=b28c8b7c-9f40-40b2-843c-b5b04c035b0e\u0026downloaditemid=fa248fba-8901-4d9e-8212-b139f2defbdf\",\"source\":\"vultures@jpcert.or.jp\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://jvn.jp/en/jp/JVN37417423/index.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.contec.com/jp/api/downloadlogger?download=https://www.contec.com/jp/-/media/contec/jp/support/security-info/contec_security_solarview_210216.pdf\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.contec.com/jp/download/contract/contract2/?itemid=b28c8b7c-9f40-40b2-843c-b5b04c035b0e\u0026downloaditemid=fa248fba-8901-4d9e-8212-b139f2defbdf\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}",
    "redhat_vex": {
      "current_release_date": "2026-03-27T15:01:00+00:00",
      "cve": "CVE-2021-20661",
      "id": "CVE-2021-20661",
      "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-2021-20661",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-20661.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.