FKIE_CVE-2021-26115

Vulnerability from fkie_nvd - Published: 2024-12-19 11:15 - Updated: 2026-06-17 03:42
Severity
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
An OS command injection (CWE-78) vulnerability in FortiWAN version 4.5.7 and below Command Line Interface may allow a local, authenticated and unprivileged attacker to escalate their privileges to root via executing a specially-crafted command.An OS command injection (CWE-78) vulnerability in FortiWAN Command Line Interface may allow a local, authenticated and unprivileged attacker to escalate their privileges to root via executing a specially-crafted command.
References
psirt@fortinet.comhttps://fortiguard.fortinet.com/psirt/FG-IR-21-069Vendor Advisory
Impacted products
Vendor Product Version
fortinet fortiwan *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "FortiWAN",
          "vendor": "Fortinet",
          "versions": [
            {
              "lessThanOrEqual": "4.5.7",
              "status": "affected",
              "version": "4.5.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.4.1",
              "status": "affected",
              "version": "4.4.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.3.1",
              "status": "affected",
              "version": "4.3.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.2.7",
              "status": "affected",
              "version": "4.2.5",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.2.2",
              "status": "affected",
              "version": "4.2.1",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.1.3",
              "status": "affected",
              "version": "4.1.1",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.0.6",
              "status": "affected",
              "version": "4.0.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "psirt@fortinet.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:fortinet:fortiwan:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "7627535D-1D56-4AB9-9927-FAAC83C3C485",
              "versionEndExcluding": "4.5.8",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An OS command injection (CWE-78) vulnerability in FortiWAN version 4.5.7 and below Command Line Interface may allow a local, authenticated and unprivileged attacker to escalate their privileges to root via executing a specially-crafted command.An OS command injection (CWE-78) vulnerability in FortiWAN Command Line Interface may allow a local, authenticated and unprivileged attacker to escalate their privileges to root via executing a specially-crafted command."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de inyecci\u00f3n de comando del sistema operativo (CWE-78) en la interfaz de l\u00ednea de comandos de FortiWAN versi\u00f3n 4.5.7 y anteriores puede permitir que un atacante local, autenticado y sin privilegios escale sus privilegios a superusuario mediante la ejecuci\u00f3n de un comando especialmente manipulado.Una vulnerabilidad de inyecci\u00f3n de comando del sistema operativo (CWE-78) en la interfaz de l\u00ednea de comandos de FortiWAN puede permitir que un atacante local, autenticado y sin privilegios escale sus privilegios a superusuario mediante la ejecuci\u00f3n de un comando especialmente manipulado."
    }
  ],
  "id": "CVE-2021-26115",
  "lastModified": "2026-06-17T03:42:53.310",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "psirt@fortinet.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2021-26115",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-12-20T17:22:02.430429Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-12-19T11:15:07.103",
  "references": [
    {
      "source": "psirt@fortinet.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://fortiguard.fortinet.com/psirt/FG-IR-21-069"
    }
  ],
  "sourceIdentifier": "psirt@fortinet.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-78"
        }
      ],
      "source": "psirt@fortinet.com",
      "type": "Secondary"
    }
  ]
}



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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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