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CVE-2023-40253

Estado: ModificadaCrítica (9.8)—

Improper Authentication vulnerability in Genians Genian NAC V4.0, Genians Genian NAC V5.0, Genians Genian NAC Suite V5.0, Genians Genian ZTNA allows Authentication Abuse.This issue affects Genian NAC V4.0: from V4.0.0 through V4.0.155; Genian NAC V5.0: from V5.0.0 through V5.0.42 (Revision 117460); Genian NAC Suite V5.0: from V5.0.0 through V5.0.54; Genian ZTNA: from V6.0.0 through V6.0.15.

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)

Mostrar
{
  "id": "CVE-2023-40253",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-40253",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-10-01T20:34:17.095243Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "vuln@krcert.or.kr",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 6,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 4,
        "exploitabilityScore": 1.5
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "vuln@krcert.or.kr",
      "affectedData": [
        {
          "vendor": "Genians",
          "product": "Genian NAC V4.0",
          "versions": [
            {
              "status": "affected",
              "changes": [
                {
                  "at": "V4.0.156",
                  "status": "unaffected"
                }
              ],
              "version": "V4.0.0",
              "versionType": "custom",
              "lessThanOrEqual": "V4.0.155"
            }
          ],
          "defaultStatus": "affected"
        },
        {
          "vendor": "Genians",
          "product": "Genian NAC V5.0",
          "versions": [
            {
              "status": "affected",
              "changes": [
                {
                  "at": "V5.0.42 (Revision 117461)",
                  "status": "unaffected"
                }
              ],
              "version": "V5.0.0",
              "versionType": "custom",
              "lessThanOrEqual": "V5.0.42 (Revision 117460)"
            }
          ],
          "defaultStatus": "affected"
        },
        {
          "vendor": "Genians",
          "product": "Genian NAC Suite V5.0",
          "versions": [
            {
              "status": "affected",
              "changes": [
                {
                  "at": "V5.0.55",
                  "status": "unaffected"
                }
              ],
              "version": "V5.0.0",
              "versionType": "custom",
              "lessThanOrEqual": "V5.0.54"
            }
          ],
          "defaultStatus": "affected"
        },
        {
          "vendor": "Genians",
          "product": "Genian ZTNA",
          "versions": [
            {
              "status": "affected",
              "changes": [
                {
                  "at": "V6.0.16",
                  "status": "unaffected"
                }
              ],
              "version": "V6.0.0",
              "versionType": "custom",
              "lessThanOrEqual": "V6.0.15"
            }
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2023-08-11T06:15:10.673",
  "references": [
    {
      "url": "https://docs.genians.com/nac/5.0/release/ko/advisories/GN-SA-2023-001.html",
      "source": "vuln@krcert.or.kr"
    },
    {
      "url": "https://docs.genians.com/nac/5.0/release/ko/advisories/GN-SA-2023-001.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "vuln@krcert.or.kr",
      "description": [
        {
          "lang": "en",
          "value": "CWE-78"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper Authentication vulnerability in Genians Genian NAC V4.0, Genians Genian NAC V5.0, Genians Genian NAC Suite V5.0, Genians Genian ZTNA allows Authentication Abuse.This issue affects Genian NAC V4.0: from V4.0.0 through V4.0.155; Genian NAC V5.0: from V5.0.0 through V5.0.42 (Revision 117460); Genian NAC Suite V5.0: from V5.0.0 through V5.0.54; Genian ZTNA: from V6.0.0 through V6.0.15.\n\n"
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de autenticación incorrecta en productos de Geanians tales como Genian NAC V4.0, Genian NAC V5.0, Genian NAC Suite V5.0, Genian ZTNA permite el abuso de autenticación. Este problema afecta a \nGenian NAC V4. 0: desde V4.0.0 hasta V4.0.155; \nGenian NAC V5.0: desde V5.0.0 hasta V5.0.42 (Revisión 117460);\nGenian NAC Suite V5.0: desde V5.0.0 hasta V5.0.54; \nGenian ZTNA: desde V6.0.0 hasta V6.0.15."
    }
  ],
  "lastModified": "2026-06-17T06:16:53.023",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:genians:genian_nac:*:*:*:*:-:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "BE039840-D93C-49CA-BB6A-B70771196C1B",
              "versionEndExcluding": "4.0.156",
              "versionStartIncluding": "4.0.0"
            },
            {
              "criteria": "cpe:2.3:a:genians:genian_nac:*:*:*:*:-:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "04EF7B43-ADE3-474E-8E9F-7B2AD27FAB0C",
              "versionEndExcluding": "5.0.55",
              "versionStartIncluding": "5.0.0"
            },
            {
              "criteria": "cpe:2.3:a:genians:genian_nac:5.0.42:-:*:*:lts:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E514BF16-6FE5-4029-BBFB-87A487C5BC07"
            },
            {
              "criteria": "cpe:2.3:a:genians:genian_nac:5.0.42:revision_117460:*:*:lts:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0A8D2C71-F0A1-41D4-9A84-EAE0CBC39B22"
            },
            {
              "criteria": "cpe:2.3:a:genians:genian_ztna:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A36D6C47-C07E-41F3-9051-47CE254B01D0",
              "versionEndExcluding": "6.0.16",
              "versionStartIncluding": "6.0.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "vuln@krcert.or.kr"
}