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CVE-2020-4033

Estado: ModificadaMedia (6.5)—

In FreeRDP before version 2.1.2, there is an out of bounds read in RLEDECOMPRESS. All FreeRDP based clients with sessions with color depth < 32 are affected. This is fixed in version 2.1.2.

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 (5)

Canonical — Ubuntu LinuxDebian — Debian LinuxFedoraproject — FedoraFreerdp — FreerdpOpensuse — Leap

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2020-4033",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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          "version": "3.1",
          "baseScore": 3.1,
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          "baseSeverity": "LOW",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 1.6
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "NONE",
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        "impactScore": 2.5,
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  "affected": [
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      "affectedData": [
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          "versions": [
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  "published": "2020-06-22T22:15:13.353",
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  "vulnStatus": "Modified",
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      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
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          "value": "CWE-125"
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  "descriptions": [
    {
      "lang": "en",
      "value": "In FreeRDP before version 2.1.2, there is an out of bounds read in RLEDECOMPRESS. All FreeRDP based clients with sessions with color depth < 32 are affected. This is fixed in version 2.1.2."
    },
    {
      "lang": "es",
      "value": "En FreeRDP versiones anteriores a 2.1.2, se presenta una lectura fuera de límites en RLEDECOMPRESS. Todos los clientes basados ??en FreeRDP con sesiones con profundidad de color menor a 32 están afectados. Esto es corregido en la versión 2.1.2"
    }
  ],
  "lastModified": "2026-06-17T03:19:27.480",
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