cvelistv5 - cve-2025-13698

CVE-2025-13698 (GCVE-0-2025-13698)

Vulnerability from cvelistv5 – Published: 2025-12-23 21:40 – Updated: 2025-12-24 16:11

Title

Deciso OPNsense diag_backup.php filename Directory Traversal Arbitrary File Creation Vulnerability

Summary

Deciso OPNsense diag_backup.php filename Directory Traversal Arbitrary File Creation Vulnerability. This vulnerability allows network-adjacent attackers to create arbitrary files on affected installations of Deciso OPNsense. Authentication is required to exploit this vulnerability. The specific flaw exists within the handling of backup configuration files. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to create files in the context of root. Was ZDI-CAN-28133.

Severity ?

4.5 (Medium)


                        
                          CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

CWE

CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Assigner

zdi

References

URL

Tags

	https://www.zerodayinitiative.com/advisories/ZDI-…	x_research-advisory
	https://github.com/opnsense/core/commit/cb15c9351…	vendor-advisory

Impacted products

	Vendor	Product	Version
	Deciso	OPNsense	Affected: 25.7

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-13698",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-12-24T16:11:22.376596Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-12-24T16:11:29.726Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "product": "OPNsense",
          "vendor": "Deciso",
          "versions": [
            {
              "status": "affected",
              "version": "25.7"
            }
          ]
        }
      ],
      "dateAssigned": "2025-11-25T21:38:19.663Z",
      "datePublic": "2025-11-25T21:44:20.909Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Deciso OPNsense diag_backup.php filename Directory Traversal Arbitrary File Creation Vulnerability. This vulnerability allows network-adjacent attackers to create arbitrary files on affected installations of Deciso OPNsense. Authentication is required to exploit this vulnerability.\n\nThe specific flaw exists within the handling of backup configuration files. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to create files in the context of root. Was ZDI-CAN-28133."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "baseScore": 4.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.0"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-22",
              "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-23T21:40:13.580Z",
        "orgId": "99f1926a-a320-47d8-bbb5-42feb611262e",
        "shortName": "zdi"
      },
      "references": [
        {
          "name": "ZDI-25-1022",
          "tags": [
            "x_research-advisory"
          ],
          "url": "https://www.zerodayinitiative.com/advisories/ZDI-25-1022/"
        },
        {
          "name": "vendor-provided URL",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://github.com/opnsense/core/commit/cb15c935137d05c86a1e6cf12af877e9c32a23af"
        }
      ],
      "source": {
        "lang": "en",
        "value": "Alex Williams from Pellera Technologies"
      },
      "title": "Deciso OPNsense diag_backup.php filename Directory Traversal Arbitrary File Creation Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "99f1926a-a320-47d8-bbb5-42feb611262e",
    "assignerShortName": "zdi",
    "cveId": "CVE-2025-13698",
    "datePublished": "2025-12-23T21:40:13.580Z",
    "dateReserved": "2025-11-25T21:38:19.636Z",
    "dateUpdated": "2025-12-24T16:11:29.726Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-13698\",\"sourceIdentifier\":\"zdi-disclosures@trendmicro.com\",\"published\":\"2025-12-23T22:15:44.657\",\"lastModified\":\"2025-12-23T22:15:44.657\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Deciso OPNsense diag_backup.php filename Directory Traversal Arbitrary File Creation Vulnerability. This vulnerability allows network-adjacent attackers to create arbitrary files on affected installations of Deciso OPNsense. Authentication is required to exploit this vulnerability.\\n\\nThe specific flaw exists within the handling of backup configuration files. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to create files in the context of root. Was ZDI-CAN-28133.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"zdi-disclosures@trendmicro.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N\",\"baseScore\":4.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":0.9,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"zdi-disclosures@trendmicro.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-22\"}]}],\"references\":[{\"url\":\"https://github.com/opnsense/core/commit/cb15c935137d05c86a1e6cf12af877e9c32a23af\",\"source\":\"zdi-disclosures@trendmicro.com\"},{\"url\":\"https://www.zerodayinitiative.com/advisories/ZDI-25-1022/\",\"source\":\"zdi-disclosures@trendmicro.com\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-13698\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-12-24T16:11:22.376596Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-12-24T16:11:26.453Z\"}}], \"cna\": {\"title\": \"Deciso OPNsense diag_backup.php filename Directory Traversal Arbitrary File Creation Vulnerability\", \"source\": {\"lang\": \"en\", \"value\": \"Alex Williams from Pellera Technologies\"}, \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_0\": {\"version\": \"3.0\", \"baseScore\": 4.5, \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N\"}}], \"affected\": [{\"vendor\": \"Deciso\", \"product\": \"OPNsense\", \"versions\": [{\"status\": \"affected\", \"version\": \"25.7\"}], \"defaultStatus\": \"unknown\"}], \"datePublic\": \"2025-11-25T21:44:20.909Z\", \"references\": [{\"url\": \"https://www.zerodayinitiative.com/advisories/ZDI-25-1022/\", \"name\": \"ZDI-25-1022\", \"tags\": [\"x_research-advisory\"]}, {\"url\": \"https://github.com/opnsense/core/commit/cb15c935137d05c86a1e6cf12af877e9c32a23af\", \"name\": \"vendor-provided URL\", \"tags\": [\"vendor-advisory\"]}], \"dateAssigned\": \"2025-11-25T21:38:19.663Z\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"Deciso OPNsense diag_backup.php filename Directory Traversal Arbitrary File Creation Vulnerability. This vulnerability allows network-adjacent attackers to create arbitrary files on affected installations of Deciso OPNsense. Authentication is required to exploit this vulnerability.\\n\\nThe specific flaw exists within the handling of backup configuration files. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to create files in the context of root. Was ZDI-CAN-28133.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-22\", \"description\": \"CWE-22: Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)\"}]}], \"providerMetadata\": {\"orgId\": \"99f1926a-a320-47d8-bbb5-42feb611262e\", \"shortName\": \"zdi\", \"dateUpdated\": \"2025-12-23T21:40:13.580Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-13698\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-12-24T16:11:29.726Z\", \"dateReserved\": \"2025-11-25T21:38:19.636Z\", \"assignerOrgId\": \"99f1926a-a320-47d8-bbb5-42feb611262e\", \"datePublished\": \"2025-12-23T21:40:13.580Z\", \"assignerShortName\": \"zdi\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}

GHSA-78FV-P8MJ-WXVM

Vulnerability from github – Published: 2025-12-24 00:30 – Updated: 2025-12-24 00:30

Details

The specific flaw exists within the handling of backup configuration files. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to create files in the context of root. Was ZDI-CAN-28133.

Severity ?

4.5 (Medium)


                  
                    CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2025-13698"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-22"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-12-23T22:15:44Z",
    "severity": "MODERATE"
  },
  "details": "Deciso OPNsense diag_backup.php filename Directory Traversal Arbitrary File Creation Vulnerability. This vulnerability allows network-adjacent attackers to create arbitrary files on affected installations of Deciso OPNsense. Authentication is required to exploit this vulnerability.\n\nThe specific flaw exists within the handling of backup configuration files. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to create files in the context of root. Was ZDI-CAN-28133.",
  "id": "GHSA-78fv-p8mj-wxvm",
  "modified": "2025-12-24T00:30:13Z",
  "published": "2025-12-24T00:30:13Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-13698"
    },
    {
      "type": "WEB",
      "url": "https://github.com/opnsense/core/commit/cb15c935137d05c86a1e6cf12af877e9c32a23af"
    },
    {
      "type": "WEB",
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-25-1022"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

FKIE_CVE-2025-13698

Vulnerability from fkie_nvd - Published: 2025-12-23 22:15 - Updated: 2025-12-23 22:15

Severity ?

4.5 (Medium) - CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Summary

References

	URL	Tags
	zdi-disclosures@trendmicro.com	https://github.com/opnsense/core/commit/cb15c935137d05c86a1e6cf12af877e9c32a23af
	zdi-disclosures@trendmicro.com	https://www.zerodayinitiative.com/advisories/ZDI-25-1022/

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Deciso OPNsense diag_backup.php filename Directory Traversal Arbitrary File Creation Vulnerability. This vulnerability allows network-adjacent attackers to create arbitrary files on affected installations of Deciso OPNsense. Authentication is required to exploit this vulnerability.\n\nThe specific flaw exists within the handling of backup configuration files. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to create files in the context of root. Was ZDI-CAN-28133."
    }
  ],
  "id": "CVE-2025-13698",
  "lastModified": "2025-12-23T22:15:44.657",
  "metrics": {
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N",
          "version": "3.0"
        },
        "exploitabilityScore": 0.9,
        "impactScore": 3.6,
        "source": "zdi-disclosures@trendmicro.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-12-23T22:15:44.657",
  "references": [
    {
      "source": "zdi-disclosures@trendmicro.com",
      "url": "https://github.com/opnsense/core/commit/cb15c935137d05c86a1e6cf12af877e9c32a23af"
    },
    {
      "source": "zdi-disclosures@trendmicro.com",
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-25-1022/"
    }
  ],
  "sourceIdentifier": "zdi-disclosures@trendmicro.com",
  "vulnStatus": "Received",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ],
      "source": "zdi-disclosures@trendmicro.com",
      "type": "Primary"
    }
  ]
}

WID-SEC-W-2025-2677

Vulnerability from csaf_certbund - Published: 2025-11-25 23:00 - Updated: 2025-12-23 23:00

Summary

OPNsense: Schwachstelle ermöglicht Manipulation von Dateien

Notes

Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.

Produktbeschreibung

OPNsense ist eine freie Firewall-Distribution auf Basis von FreeBSD.

Angriff

Ein Angreifer aus einem angrenzenden Netzwerk kann eine Schwachstelle in OPNsense ausnutzen, um beliebige Dateien mit Root-Rechten zu erstellen.

Betroffene Betriebssysteme

- Sonstiges

JSON

To clipboard

{
  "document": {
    "aggregate_severity": {
      "text": "niedrig"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "OPNsense ist eine freie Firewall-Distribution auf Basis von FreeBSD.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein Angreifer aus einem angrenzenden Netzwerk kann eine Schwachstelle in OPNsense ausnutzen, um beliebige Dateien mit Root-Rechten zu erstellen.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Sonstiges",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2025-2677 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2025/wid-sec-w-2025-2677.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2025-2677 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-2677"
      },
      {
        "category": "external",
        "summary": "ZDI Advisory vom 2025-11-25",
        "url": "https://www.zerodayinitiative.com/advisories/ZDI-25-1022/"
      },
      {
        "category": "external",
        "summary": "OPNsense Commit vom 2025-11-25",
        "url": "https://github.com/opnsense/core/commit/cb15c935137d05c86a1e6cf12af877e9c32a23af"
      }
    ],
    "source_lang": "en-US",
    "title": "OPNsense: Schwachstelle erm\u00f6glicht Manipulation von Dateien",
    "tracking": {
      "current_release_date": "2025-12-23T23:00:00.000+00:00",
      "generator": {
        "date": "2025-12-24T08:50:07.078+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.5.0"
        }
      },
      "id": "WID-SEC-W-2025-2677",
      "initial_release_date": "2025-11-25T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2025-11-25T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2025-12-23T23:00:00.000+00:00",
          "number": "2",
          "summary": "Referenz(en) aufgenommen: EUVD-2025-204967"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Open Source OPNsense",
            "product": {
              "name": "Open Source OPNsense",
              "product_id": "T048906",
              "product_identification_helper": {
                "cpe": "cpe:/a:opnsense:opnsense:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-13698",
      "product_status": {
        "known_affected": [
          "T048906"
        ]
      },
      "release_date": "2025-11-25T23:00:00.000+00:00",
      "title": "CVE-2025-13698"
    }
  ]
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

CVE-2025-13698 (GCVE-0-2025-13698)

GHSA-78FV-P8MJ-WXVM

FKIE_CVE-2025-13698

WID-SEC-W-2025-2677

Tags

Sightings

Nomenclature