Vulnerability-Lookup

FKIE_CVE-2020-7781

Vulnerability from fkie_nvd - Published: 2020-12-16 18:15 - Updated: 2026-06-17 03:25

Severity

9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

This affects the package connection-tester before 0.2.1. The injection point is located in line 15 in index.js. The following PoC demonstrates the vulnerability:

References

URL	Tags
report@snyk.io	https://github.com/skoranga/node-connection-tester/pull/10	Patch, Third Party Advisory
report@snyk.io	https://snyk.io/vuln/SNYK-JS-CONNECTIONTESTER-1048337	Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/skoranga/node-connection-tester/pull/10	Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://snyk.io/vuln/SNYK-JS-CONNECTIONTESTER-1048337	Exploit, Third Party Advisory

Impacted products

	Vendor	Product	Version
	connection-tester_project	connection-tester	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "connection-tester",
          "vendor": "n/a",
          "versions": [
            {
              "lessThan": "0.2.1",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "report@snyk.io"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:connection-tester_project:connection-tester:*:*:*:*:*:node.js:*:*",
              "matchCriteriaId": "1989A43B-6FC3-4115-BEC3-00A9BA99DE25",
              "versionEndExcluding": "0.2.1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "This affects the package connection-tester before 0.2.1. The injection point is located in line 15 in index.js. The following PoC demonstrates the vulnerability:"
    },
    {
      "lang": "es",
      "value": "Esto afecta al paquete connection-tester versiones anteriores a 0.2.1.\u0026#xa0;El punto de inyecci\u00f3n es encontrado en la l\u00ednea 15 del archivo index.js.\u0026#xa0;La siguiente PoC demuestra la vulnerabilidad"
    }
  ],
  "id": "CVE-2020-7781",
  "lastModified": "2026-06-17T03:25:26.197",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "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": "report@snyk.io",
        "type": "Secondary"
      }
    ]
  },
  "published": "2020-12-16T18:15:13.360",
  "references": [
    {
      "source": "report@snyk.io",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/skoranga/node-connection-tester/pull/10"
    },
    {
      "source": "report@snyk.io",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://snyk.io/vuln/SNYK-JS-CONNECTIONTESTER-1048337"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/skoranga/node-connection-tester/pull/10"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://snyk.io/vuln/SNYK-JS-CONNECTIONTESTER-1048337"
    }
  ],
  "sourceIdentifier": "report@snyk.io",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-78"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2020-7781 (GCVE-0-2020-7781)

Vulnerability from cvelistv5 – Published: 2020-12-16 18:10 – Updated: 2024-09-16 20:02

Title

Command Injection

Summary

This affects the package connection-tester before 0.2.1. The injection point is located in line 15 in index.js. The following PoC demonstrates the vulnerability:

Severity

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE

Command Injection

Assigner

snyk mitre root

References

2 references

URL	Tags
https://snyk.io/vuln/SNYK-JS-CONNECTIONTESTER-1048337	x_refsource_MISC
https://github.com/skoranga/node-connection-teste…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	connection-tester	Affected: unspecified , < 0.2.1 (custom)

Date Public

2020-12-16 00:00

Credits

JHU System Security Lab

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T09:41:01.637Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://snyk.io/vuln/SNYK-JS-CONNECTIONTESTER-1048337"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/skoranga/node-connection-tester/pull/10"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "connection-tester",
          "vendor": "n/a",
          "versions": [
            {
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              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
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      ],
      "credits": [
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      "descriptions": [
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          "lang": "en",
          "value": "This affects the package connection-tester before 0.2.1. The injection point is located in line 15 in index.js. The following PoC demonstrates the vulnerability:"
        }
      ],
      "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",
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          }
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      ],
      "problemTypes": [
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            {
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          ]
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      ],
      "providerMetadata": {
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        "orgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730",
        "shortName": "snyk"
      },
      "references": [
        {
          "tags": [
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          ],
          "url": "https://snyk.io/vuln/SNYK-JS-CONNECTIONTESTER-1048337"
        },
        {
          "tags": [
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          ],
          "url": "https://github.com/skoranga/node-connection-tester/pull/10"
        }
      ],
      "title": "Command Injection",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "report@snyk.io",
          "DATE_PUBLIC": "2020-12-16T18:05:13.359283Z",
          "ID": "CVE-2020-7781",
          "STATE": "PUBLIC",
          "TITLE": "Command Injection"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "connection-tester",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "0.2.1"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "JHU System Security Lab"
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            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
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            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
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            "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"
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        "problemtype": {
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            },
            {
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  },
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  "dataVersion": "5.1"
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.