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CVE-2023-43320

Estado: ModificadaAlta (8.8)—

An issue in Proxmox Server Solutions GmbH Proxmox VE v.5.4 thru v.8.0, Proxmox Backup Server v.1.1 thru v.3.0, and Proxmox Mail Gateway v.7.1 thru v.8.0 allows a remote authenticated attacker to escalate privileges via bypassing the two-factor authentication component.

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 (3)

Proxmox — Backup ServerProxmox — Proxmox Mail GatewayProxmox — Virtual Environment

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2023-43320",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-43320",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-02-06T16:26:21.447343Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2023-09-27T23:15:12.113",
  "references": [
    {
      "url": "http://packetstormsecurity.com/files/176967/Proxmox-VE-7.4-1-TOTP-Brute-Force.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://bugzilla.proxmox.com/show_bug.cgi?id=4579",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://bugzilla.proxmox.com/show_bug.cgi?id=4584",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/proxmox/proxmox-rs/commit/50b793db8d3421bbfe2bce060a486263f18a90cb",
      "tags": [
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://packetstormsecurity.com/files/176967/Proxmox-VE-7.4-1-TOTP-Brute-Force.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugzilla.proxmox.com/show_bug.cgi?id=4579",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugzilla.proxmox.com/show_bug.cgi?id=4584",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/proxmox/proxmox-rs/commit/50b793db8d3421bbfe2bce060a486263f18a90cb",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue in Proxmox Server Solutions GmbH Proxmox VE v.5.4 thru v.8.0, Proxmox Backup Server v.1.1 thru v.3.0, and Proxmox Mail Gateway v.7.1 thru v.8.0 allows a remote authenticated attacker to escalate privileges via bypassing the two-factor authentication component."
    },
    {
      "lang": "es",
      "value": "Un problema en Proxmox Server Solutions GmbH Proxmox VE v.5.4 hasta v.8.0, Proxmox Backup Server v.1.1 hasta v.3.0 y Proxmox Mail Gateway v.7.1 hasta v.8.0 permite a un atacante autenticado remoto escalar privilegios evitando el Componente de autenticación de dos factores."
    }
  ],
  "lastModified": "2026-06-17T06:25:25.400",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:proxmox:backup_server:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "026AA113-B499-4137-BB0E-18B1A1B80E63",
              "versionEndIncluding": "3.0",
              "versionStartIncluding": "1.1"
            },
            {
              "criteria": "cpe:2.3:a:proxmox:proxmox_mail_gateway:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3454EA4B-BC66-4F9F-A3EA-F81668740672",
              "versionEndIncluding": "8.0",
              "versionStartIncluding": "7.1"
            },
            {
              "criteria": "cpe:2.3:a:proxmox:virtual_environment:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B76EFF18-E949-4A2D-93E0-893ECAF4493C",
              "versionEndIncluding": "8.0",
              "versionStartIncluding": "5.4"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}