Vulnerability-Lookup

FKIE_CVE-2018-1352

Vulnerability from fkie_nvd - Published: 2019-02-08 18:29 - Updated: 2026-06-17 01:51

Severity

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

Summary

A format string vulnerability in Fortinet FortiOS 5.6.0 allows attacker to execute unauthorized code or commands via the SSH username variable.

References

	URL	Tags
	psirt@fortinet.com	https://fortiguard.com/advisory/FG-IR-18-018	Vendor Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://fortiguard.com/advisory/FG-IR-18-018	Vendor Advisory

Impacted products

	Vendor	Product	Version
	fortinet	fortios	5.6.0

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "psirt@fortinet.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:fortinet:fortios:5.6.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "9A3BE3F8-9157-461C-8E3A-ABFA728B7DB2",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A format string vulnerability in Fortinet FortiOS 5.6.0 allows attacker to execute unauthorized code or commands via the SSH username variable."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de cadena de formato en Fortinet FortiOS 5.6.0 permite que un atacante ejecute c\u00f3digo o comandos no autorizados mediante la variable SSH de nombre de usuario."
    }
  ],
  "id": "CVE-2018-1352",
  "lastModified": "2026-06-17T01:51:04.873",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2018-1352",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-10-24T20:11:05.458642Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2019-02-08T18:29:00.237",
  "references": [
    {
      "source": "psirt@fortinet.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://fortiguard.com/advisory/FG-IR-18-018"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://fortiguard.com/advisory/FG-IR-18-018"
    }
  ],
  "sourceIdentifier": "psirt@fortinet.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-134"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2018-1352 (GCVE-0-2018-1352)

Vulnerability from cvelistv5 – Published: 2019-02-08 18:00 – Updated: 2024-10-25 14:31

Summary

A format string vulnerability in Fortinet FortiOS 5.6.0 allows attacker to execute unauthorized code or commands via the SSH username variable.

Severity

No CVSS data available.

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-10-24 20:11 UTC

CWE

Assigner

fortinet mitre root

References

1 reference

URL	Tags
https://fortiguard.com/advisory/FG-IR-18-018	x_refsource_CONFIRM

Date Public

2019-01-11 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T03:59:38.615Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
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              "x_transferred"
            ],
            "url": "https://fortiguard.com/advisory/FG-IR-18-018"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2018-1352",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-10-24T20:11:05.458642Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-10-25T14:31:12.634Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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        {
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          "versions": [
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            }
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      ],
      "datePublic": "2019-01-11T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "A format string vulnerability in Fortinet FortiOS 5.6.0 allows attacker to execute unauthorized code or commands via the SSH username variable."
        }
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      "problemTypes": [
        {
          "descriptions": [
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              "description": "n/a",
              "lang": "en",
              "type": "text"
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      ],
      "providerMetadata": {
        "dateUpdated": "2019-02-08T17:57:01.000Z",
        "orgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
        "shortName": "fortinet"
      },
      "references": [
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          ],
          "url": "https://fortiguard.com/advisory/FG-IR-18-018"
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      "x_legacyV4Record": {
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          "ASSIGNER": "psirt@fortinet.com",
          "ID": "CVE-2018-1352",
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        "affects": {
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  "cveMetadata": {
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    "assignerShortName": "fortinet",
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    "datePublished": "2019-02-08T18:00:00.000Z",
    "dateReserved": "2017-12-11T00:00:00.000Z",
    "dateUpdated": "2024-10-25T14:31:12.634Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.