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CVE-2025-27377

Estado: AnalizadaMedia (5.3)—

Altium Designer version 24.9.0 does not validate self-signed server certificates for cloud connections. An attacker capable of performing a man-in-the-middle (MITM) attack could exploit this issue to intercept or manipulate network traffic, potentially exposing authentication credentials or sensitive design data.

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)

Altium — Designer

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2025-27377",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-27377",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-01-22T14:41:09.462402Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "4760f414-e1ae-4ff1-bdad-c7a9c3538b79",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.6
      }
    ]
  },
  "affected": [
    {
      "source": "4760f414-e1ae-4ff1-bdad-c7a9c3538b79",
      "affectedData": [
        {
          "vendor": "Altium",
          "modules": [
            "Cloud connections"
          ],
          "product": "Altium Designer",
          "versions": [
            {
              "status": "affected",
              "changes": [
                {
                  "at": "25.2",
                  "status": "unaffected"
                }
              ],
              "version": "24.9",
              "versionType": "semver",
              "lessThanOrEqual": "25.1"
            }
          ],
          "platforms": [
            "Web"
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-01-22T01:15:50.510",
  "references": [
    {
      "url": "https://www.altium.com/platform/security-compliance/security-advisories",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "4760f414-e1ae-4ff1-bdad-c7a9c3538b79"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
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      "type": "Secondary",
      "source": "4760f414-e1ae-4ff1-bdad-c7a9c3538b79",
      "description": [
        {
          "lang": "en",
          "value": "CWE-295"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Altium Designer version 24.9.0 does not validate self-signed server certificates for cloud connections. An attacker capable of performing a man-in-the-middle (MITM) attack could exploit this issue to intercept or manipulate network traffic, potentially exposing authentication credentials or sensitive design data."
    },
    {
      "lang": "es",
      "value": "Altium Designer versión 24.9.0 no valida los certificados de servidor autofirmados para conexiones en la nube. Un atacante capaz de realizar un ataque man-in-the-middle (MitM) podría explotar este problema para interceptar o manipular el tráfico de red, exponiendo potencialmente credenciales de autenticación o datos de diseño sensibles."
    }
  ],
  "lastModified": "2026-06-17T09:03:29.123",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:altium:designer:*:*:*:*:*:*:*:*",
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              "versionEndExcluding": "25.2.0",
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          ],
          "operator": "OR"
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  "sourceIdentifier": "4760f414-e1ae-4ff1-bdad-c7a9c3538b79"
}