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CVE-2021-3984

Status: ModifiedHigh (7.8)—

vim is vulnerable to Heap-based Buffer Overflow

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 (3)

Debian — Debian LinuxFedoraproject — FedoraVIM — VIM

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2021-3984",
  "cveTags": [],
  "metrics": {
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          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
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        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
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  "published": "2021-12-01T11:15:07.797",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "security@huntr.dev",
      "description": [
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          "lang": "en",
          "value": "CWE-122"
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    {
      "type": "Secondary",
      "source": "nvd@nist.gov",
      "description": [
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          "value": "CWE-787"
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "vim is vulnerable to Heap-based Buffer Overflow"
    },
    {
      "lang": "es",
      "value": "vim es vulnerable a un Desbordamiento del Búfer en la región Heap de la Memoria"
    }
  ],
  "lastModified": "2026-06-17T04:06:20.430",
  "configurations": [
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}