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CVE-2025-35021

Estado: AnalizadaMedia (6.5)—

By failing to authenticate three times to an unconfigured Abilis CPX device via SSH, an attacker can login to a restricted shell on the fourth attempt, and from there, relay connections.

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)

Antek — Abilis CPX Firmware

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2025-35021",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-35021",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-11-05T14:54:07.847887Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "cve@takeonme.org",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.5,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve@takeonme.org",
      "affectedData": [
        {
          "vendor": "Abilis",
          "product": "CPX",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "9.0.7",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2025-11-04T01:15:33.107",
  "references": [
    {
      "url": "https://support.abilis.net/relnotes/cpx2k/R9.0.html#R9.0.7",
      "tags": [
        "Release Notes"
      ],
      "source": "cve@takeonme.org"
    },
    {
      "url": "https://takeonme.org/gcves/GCVE-1337-2025-00000000000000000000000000000000000000000000000001011111111111011111111110000000000000000000000000000000000000000000000000000000100",
      "tags": [
        "Exploit",
        "Mitigation",
        "Third Party Advisory"
      ],
      "source": "cve@takeonme.org"
    },
    {
      "url": "https://www.runzero.com/advisories/abilis-cpx-authentication-bypass-cve-2025-35021/",
      "tags": [
        "Exploit",
        "Mitigation",
        "Third Party Advisory"
      ],
      "source": "cve@takeonme.org"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cve@takeonme.org",
      "description": [
        {
          "lang": "en",
          "value": "CWE-1188"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "By failing to authenticate three times to an unconfigured Abilis CPX device via SSH, an attacker can login to a restricted shell on the fourth attempt, and from there, relay connections."
    }
  ],
  "lastModified": "2026-06-17T09:14:13.607",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "versionEndExcluding": "9.0.7"
            }
          ],
          "operator": "OR"
        },
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          "negate": false,
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          "operator": "OR"
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      "operator": "AND"
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  "sourceIdentifier": "cve@takeonme.org"
}