CVE-2020-7623

Status: ModifiedCritical (9.8)—

jscover through 1.0.0 is vulnerable to Command Injection. It allows execution of arbitrary command via the source argument.

CVSS

Version: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base score: 9.8

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 3.59%
Percentile among all scored CVEs: 89
Score date: 10/14/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Jscover Project — Jscover

CWEs

CWE-78

References

Raw JSON (NVD)

Show

{
  "id": "CVE-2020-7623",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
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    "cvssMetricV31": [
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "report@snyk.io",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "jscover",
          "versions": [
            {
              "status": "affected",
              "version": "All versions including 1.0.0"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-04-02T21:15:13.880",
  "references": [
    {
      "url": "https://github.com/node-modules/jscover/blob/master/lib/jscover.js#L59%2C",
      "source": "report@snyk.io"
    },
    {
      "url": "https://snyk.io/vuln/SNYK-JS-JSCOVER-564250",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "report@snyk.io"
    },
    {
      "url": "https://github.com/node-modules/jscover/blob/master/lib/jscover.js#L59%2C",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://snyk.io/vuln/SNYK-JS-JSCOVER-564250",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-78"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "jscover through 1.0.0 is vulnerable to Command Injection. It allows execution of arbitrary command via the source argument."
    },
    {
      "lang": "es",
      "value": "jscover versiones hasta 1.0.0, es vulnerable a una Inyección de Comandos. Lo que permite una ejecución de comandos arbitrarios por medio del argumento source."
    }
  ],
  "lastModified": "2026-06-17T03:25:08.230",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:jscover_project:jscover:*:*:*:*:*:node.js:*:*",
              "vulnerable": true,
              "matchCriteriaId": "092BB0B4-8F9B-4E08-BAD3-FEF3B00DC10A",
              "versionEndIncluding": "1.0.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "report@snyk.io"
}