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CVE-2021-28650

Estado: ModificadaMedia (5.5)—

autoar-extractor.c in GNOME gnome-autoar before 0.3.1, as used by GNOME Shell, Nautilus, and other software, allows Directory Traversal during extraction because it lacks a check of whether a file's parent is a symlink in certain complex situations. NOTE: this issue exists because of an incomplete fix for CVE-2020-36241.

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 (2)

Fedoraproject — FedoraGnome — Gnome-autoar

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-28650",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 2.1,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
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  "published": "2021-03-17T06:15:14.640",
  "references": [
    {
      "url": "https://gitlab.gnome.org/GNOME/gnome-autoar/-/commit/8109c368c6cfdb593faaf698c2bf5da32bb1ace4",
      "tags": [
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      "source": "cve@mitre.org"
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      "url": "https://security.gentoo.org/glsa/202105-10",
      "tags": [
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      "source": "cve@mitre.org"
    },
    {
      "url": "https://gitlab.gnome.org/GNOME/gnome-autoar/-/commit/8109c368c6cfdb593faaf698c2bf5da32bb1ace4",
      "tags": [
        "Patch",
        "Vendor Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BN5TVQ7OHZEGY6AGFLAZWCVCI53RYNHQ/",
      "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": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-59"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "autoar-extractor.c in GNOME gnome-autoar before 0.3.1, as used by GNOME Shell, Nautilus, and other software, allows Directory Traversal during extraction because it lacks a check of whether a file's parent is a symlink in certain complex situations. NOTE: this issue exists because of an incomplete fix for CVE-2020-36241."
    },
    {
      "lang": "es",
      "value": "El archivo autoar-extractor.c en GNOME gnome-autoar versiones anteriores a 0.3.1, tal y como es usado en GNOME Shell, Nautilus y otro software, permite un Salto de Directorio durante la extracción porque carece de una comprobación de si el padre de un archivo es un enlace simbólico en determinadas situaciones complejas. NOTA: este problema se presenta debido a una corrección incompleta del CVE-2020-36241"
    }
  ],
  "lastModified": "2026-06-17T03:46:42.363",
  "configurations": [
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              "vulnerable": true,
              "matchCriteriaId": "80A8A3E8-C5F6-4E0C-AFE0-AF191B425083",
              "versionEndExcluding": "0.3.1"
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  "sourceIdentifier": "cve@mitre.org"
}