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CVE-2017-7734

Status: ModifiedMedium (5.4)—

A Cross-Site Scripting vulnerability in Fortinet FortiOS versions 5.4.0 through 5.4.4 allows attackers to execute unauthorized code or commands via 'Comments' while saving Config Revisions.

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)

Fortinet — Fortios

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2017-7734",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2017-7734",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-10-23T14:00:38.728509Z"
        }
      }
    ],
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 3.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.0",
          "baseScore": 5.4,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 2.3
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@fortinet.com",
      "affectedData": [
        {
          "vendor": "Fortinet, Inc.",
          "product": "Fortinet FortiOS",
          "versions": [
            {
              "status": "affected",
              "version": "FortiOS versions 5.4.0 through 5.4.4"
            }
          ]
        }
      ]
    }
  ],
  "published": "2017-09-12T02:29:00.373",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/99098",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "psirt@fortinet.com"
    },
    {
      "url": "http://www.securitytracker.com/id/1038705",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "psirt@fortinet.com"
    },
    {
      "url": "https://fortiguard.com/advisory/FG-IR-17-127",
      "tags": [
        "Mitigation",
        "Vendor Advisory"
      ],
      "source": "psirt@fortinet.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/99098",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1038705",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://fortiguard.com/advisory/FG-IR-17-127",
      "tags": [
        "Mitigation",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A Cross-Site Scripting vulnerability in Fortinet FortiOS versions 5.4.0 through 5.4.4 allows attackers to execute unauthorized code or commands via 'Comments' while saving Config Revisions."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de tipo Cross-Site Scripting en Fortinet FortiOS desde la versión 5.4.0 hasta la 5.4.4 permite que atacantes remotos ejecuten código o comandos sin autorización mediante 'Comments' mientras se guardan revisiones de configuración."
    }
  ],
  "lastModified": "2026-06-17T01:25:03.937",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:fortinet:fortios:5.4.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1668AE14-D9A4-4B7D-BC3F-75885792875A"
            },
            {
              "criteria": "cpe:2.3:o:fortinet:fortios:5.4.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9E0F3B9B-A06F-4A96-B2E7-9DC56E629182"
            },
            {
              "criteria": "cpe:2.3:o:fortinet:fortios:5.4.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "50F8AE97-A647-4A37-8EF2-BC0BBCC8EADD"
            },
            {
              "criteria": "cpe:2.3:o:fortinet:fortios:5.4.3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "377A2F0B-2A58-4C2C-B546-3178B353484B"
            },
            {
              "criteria": "cpe:2.3:o:fortinet:fortios:5.4.4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "20EBDFD4-45A0-47CC-817E-48E84F945402"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "psirt@fortinet.com"
}