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CVE-2021-3554

Estado: ModificadaCrítica (10)—

Improper Access Control vulnerability in the patchesUpdate API as implemented in Bitdefender Endpoint Security Tools for Linux as a relay role allows an attacker to manipulate the remote address used for pulling patches. This issue affects: Bitdefender Endpoint Security Tools for Linux versions prior to 6.6.27.390; versions prior to 7.1.2.33. Bitdefender Unified Endpoint versions prior to 6.2.21.160. Bitdefender GravityZone versions prior to 6.24.1-1.

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)

CWE

Referencias

JSON original (NVD)

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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
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        "acInsufInfo": false,
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  "published": "2021-11-24T16:15:13.797",
  "references": [
    {
      "url": "https://www.bitdefender.com/support/security-advisories/improper-access-control-vulnerability-patchesupdate-api-va-9825",
      "tags": [
        "Broken Link"
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      "source": "cve-requests@bitdefender.com"
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    {
      "url": "https://www.bitdefender.com/support/security-advisories/improper-access-control-vulnerability-patchesupdate-api-va-9825",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "cve-requests@bitdefender.com",
      "description": [
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          "lang": "en",
          "value": "CWE-284"
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      "description": [
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          "value": "NVD-CWE-Other"
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  ],
  "descriptions": [
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      "lang": "en",
      "value": "Improper Access Control vulnerability in the patchesUpdate API as implemented in Bitdefender Endpoint Security Tools for Linux as a relay role allows an attacker to manipulate the remote address used for pulling patches. This issue affects: Bitdefender Endpoint Security Tools for Linux versions prior to 6.6.27.390; versions prior to 7.1.2.33. Bitdefender Unified Endpoint versions prior to 6.2.21.160. Bitdefender GravityZone versions prior to 6.24.1-1."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de control de acceso inadecuado en la API patchesUpdate, tal y como se implementa en Bitdefender Endpoint Security Tools for Linux como rol de retransmisión, permite a un atacante manipular la dirección remota usada para extraer parches. Este problema afecta a: Las versiones de Bitdefender Endpoint Security Tools for Linux anteriores a 6.6.27.390; las versiones anteriores a la 7.1.2.33. Las versiones de Bitdefender Unified Endpoint anteriores a 6.2.21.160. Versiones de Bitdefender GravityZone anteriores a 6.24.1-1"
    }
  ],
  "lastModified": "2026-06-17T04:05:20.310",
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