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CVE-2021-26623

Estado: ModificadaCrítica (9.8)—

A remote code execution vulnerability due to incomplete check for 'xheader_decode_path_record' function's parameter length value in the ark library. Remote attackers can induce exploit malicious code using this function.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Bandisoft — Bandizip

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-26623",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "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,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
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        "type": "Secondary",
        "source": "vuln@krcert.or.kr",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
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      {
        "type": "Primary",
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        "cvssData": {
          "scope": "UNCHANGED",
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          "baseSeverity": "CRITICAL",
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          "integrityImpact": "HIGH",
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        "exploitabilityScore": 3.9
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  "affected": [
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      "affectedData": [
        {
          "vendor": "Bandisoft International Inc.",
          "product": "Bandizip",
          "versions": [
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              "status": "affected",
              "version": "unspecified",
              "versionType": "custom",
              "lessThanOrEqual": "7.19"
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          "platforms": [
            "Windows"
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        }
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  ],
  "published": "2022-04-01T23:15:09.047",
  "references": [
    {
      "url": "https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66595",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "vuln@krcert.or.kr"
    },
    {
      "url": "https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66595",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "vuln@krcert.or.kr",
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        },
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    },
    {
      "type": "Primary",
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      "description": [
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          "value": "CWE-125"
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        {
          "lang": "en",
          "value": "CWE-787"
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A remote code execution vulnerability due to incomplete check for 'xheader_decode_path_record' function's parameter length value in the ark library. Remote attackers can induce exploit malicious code using this function."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de ejecución de código remota debido a la comprobación incompleta del valor de la longitud del parámetro de la función \"xheader_decode_path_record\" en la biblioteca ark. Los atacantes remotos pueden inducir la explotación de código malicioso usando esta función"
    }
  ],
  "lastModified": "2026-06-17T03:43:35.003",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
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              "versionEndExcluding": "7.19"
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  "sourceIdentifier": "vuln@krcert.or.kr"
}