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CVE-2021-23820

Status: AnalyzedCritical (9.8)—

This affects all versions of package json-pointer. A type confusion vulnerability can lead to a bypass of CVE-2020-7709 when the pointer components are arrays.

CVSS

Exploitation probability (EPSS)

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)

Manuelstofer — Json-pointer

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2021-23820",
  "cveTags": [],
  "metrics": {
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          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
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        "obtainAllPrivilege": false,
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        "obtainUserPrivilege": false,
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        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
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        "type": "Secondary",
        "source": "report@snyk.io",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.6,
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          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L",
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        "VDB Entry"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Analyzed",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-843"
        }
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  ],
  "descriptions": [
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      "lang": "en",
      "value": "This affects all versions of package json-pointer. A type confusion vulnerability can lead to a bypass of CVE-2020-7709 when the pointer components are arrays."
    },
    {
      "lang": "es",
      "value": "Esto afecta a todas las versiones del paquete json-pointer. Una vulnerabilidad de confusión de tipo puede conllevar a una omisión de CVE-2020-7709 cuando los componentes del puntero son matrices"
    }
  ],
  "lastModified": "2026-06-17T03:38:53.627",
  "configurations": [
    {
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        {
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}