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CVE-2023-38997

Status: ModifiedHigh (7.2)—

A directory traversal vulnerability in the Captive Portal templates of OPNsense Community Edition before 23.7 and Business Edition before 23.4.2 allows attackers to execute arbitrary system commands as root via a crafted ZIP archive.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Opnsense — Opnsense

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2023-38997",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.2,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.2
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2023-08-09T19:15:14.593",
  "references": [
    {
      "url": "https://github.com/opnsense/core/commit/448762d440b51574f1906c0ec2f5ea6dc4f16eb2",
      "tags": [
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://logicaltrust.net/blog/2023/08/opnsense.html",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/opnsense/core/commit/448762d440b51574f1906c0ec2f5ea6dc4f16eb2",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://logicaltrust.net/blog/2023/08/opnsense.html",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A directory traversal vulnerability in the Captive Portal templates of OPNsense Community Edition before 23.7 and Business Edition before 23.4.2 allows attackers to execute arbitrary system commands as root via a crafted ZIP archive."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de traspaso de directorios en las plantillas del portal cautivo de OPNsense Community Edition antes de 23.7 y Business Edition antes de 23.4.2 permite a los atacantes ejecutar comandos arbitrarios del sistema como root a través de un archivo ZIP manipulado.\n"
    }
  ],
  "lastModified": "2026-06-17T06:11:27.223",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:opnsense:opnsense:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E4C1BDFF-B6E1-4F82-9957-1FFA069E2EDC",
              "versionEndExcluding": "23.7"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}