{
  "affected": [
    {
      "affectedData": [
        {
          "product": "the-bastion",
          "vendor": "ovh",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 3.0.0, \u003c= 3.14.0"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ovh:the-bastion:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "A4A16733-F993-429F-B56C-6161B82D25C3",
              "versionEndExcluding": "3.14.15",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Bastion provides authentication, authorization, traceability and auditability for SSH accesses. SCP and SFTP plugins don\u0027t honor group-based JIT MFA. Establishing a SCP/SFTP connection through The Bastion via a group access where MFA is enforced does not ask for additional factor. This abnormal behavior only applies to per-group-based JIT MFA. Other MFA setup types, such as Immediate MFA, JIT MFA on a per-plugin basis and JIT MFA on a per-account basis are not affected. This issue has been patched in version 3.14.15."
    },
    {
      "lang": "es",
      "value": "The Bastion proporciona autenticaci\u00f3n, autorizaci\u00f3n, trazabilidad y auditabilidad para accesos SSH. Los complementos SCP y SFTP no respetan JIT MFA basado en grupos. Establecer una conexi\u00f3n SCP/SFTP a trav\u00e9s de The Bastion por medio de un acceso grupal donde se aplica MFA no requiere ning\u00fan factor adicional. Este comportamiento anormal solo se aplica a JIT MFA por grupo. Otros tipos de configuraci\u00f3n de MFA, como Immediate MFA, JIT MFA por complemento y JIT MFA por cuenta, no se ven afectados. Este problema se solucion\u00f3 en la versi\u00f3n 3.14.15."
    }
  ],
  "id": "CVE-2023-45140",
  "lastModified": "2026-06-17T06:28:18.033",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "HIGH",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.7,
        "impactScore": 2.7,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.6,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.1,
        "impactScore": 2.5,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-45140",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-09-04T14:25:53.100320Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2023-11-08T16:15:09.800",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/ovh/the-bastion/releases/tag/v3.14.15"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Mitigation",
        "Vendor Advisory"
      ],
      "url": "https://github.com/ovh/the-bastion/security/advisories/GHSA-pr4q-w883-pf5x"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/ovh/the-bastion/releases/tag/v3.14.15"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mitigation",
        "Vendor Advisory"
      ],
      "url": "https://github.com/ovh/the-bastion/security/advisories/GHSA-pr4q-w883-pf5x"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-306"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}