FKIE_CVE-2021-22131

Vulnerability from fkie_nvd - Published: 2022-07-18 18:15 - Updated: 2026-06-17 03:36
Severity
6.4 (Medium) - CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:H
5.4 (Medium) - CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N
Summary
A improper validation of certificate with host mismatch in Fortinet FortiTokenAndroid version 5.0.3 and below, Fortinet FortiTokeniOS version 5.2.0 and below, Fortinet FortiTokenWinApp version 4.0.3 and below allows attacker to retrieve information disclosed via man-in-the-middle attacks.
References
psirt@fortinet.comhttps://fortiguard.com/advisory/FG-IR-21-024Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://fortiguard.com/advisory/FG-IR-21-024Patch, Vendor Advisory
Impacted products
Vendor Product Version
fortinet fortitoken_mobile 0.4.10
fortinet fortitoken_mobile 0.4.20
fortinet fortitoken_mobile 3.0.0
fortinet fortitoken_mobile 3.0.0
fortinet fortitoken_mobile 3.0.1
fortinet fortitoken_mobile 3.0.1
fortinet fortitoken_mobile 3.0.1
fortinet fortitoken_mobile 3.0.2
fortinet fortitoken_mobile 3.0.2
fortinet fortitoken_mobile 3.0.3
fortinet fortitoken_mobile 3.0.3
fortinet fortitoken_mobile 3.0.4
fortinet fortitoken_mobile 3.0.4
fortinet fortitoken_mobile 3.0.5
fortinet fortitoken_mobile 4.0.0
fortinet fortitoken_mobile 4.0.1
fortinet fortitoken_mobile 4.0.3
fortinet fortitoken_mobile 4.1.0
fortinet fortitoken_mobile 4.1.1
fortinet fortitoken_mobile 4.1.1
fortinet fortitoken_mobile 4.2.0
fortinet fortitoken_mobile 4.2.1
fortinet fortitoken_mobile 4.2.2
fortinet fortitoken_mobile 4.3.0
fortinet fortitoken_mobile 4.3.0
fortinet fortitoken_mobile 4.4.0
fortinet fortitoken_mobile 4.5.0
fortinet fortitoken_mobile 5.0.2
fortinet fortitoken_mobile 5.0.3
fortinet fortitoken_mobile 5.2.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Fortinet FortiTokenAndroid, Fortinet FortiTokeniOS, Fortinet FortiTokenWinApp",
          "vendor": "Fortinet",
          "versions": [
            {
              "status": "affected",
              "version": "FortiTokenAndroid 5.0.3, 5.0.2, 4.5.0, 4.4.0, 4.3.0, 4.2.2, 4.2.1, 4.1.1, 4.0.1, 4.0.0, 3.0.4, 3.0.3, 3.0.2, 3.0.1, 3.0.0, 0.4.20, 0.4.10, FortiTokeniOS 5.2.0, 4.3.0, 4.2.0, 4.1.1, 3.0.5, 3.0.4, 3.0.3, 3.0.2, 3.0.1,  FortiTokenWinApp 4.0.3, 3.0.1, 3.0.0"
            }
          ]
        }
      ],
      "source": "psirt@fortinet.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
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              "matchCriteriaId": "78409CFC-A286-4BC2-A6CC-3AA0713B5B95",
              "vulnerable": true
            },
            {
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              "matchCriteriaId": "8607115D-DF4D-4FF8-892E-5F249E8DBD49",
              "vulnerable": true
            },
            {
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            },
            {
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            },
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              "vulnerable": true
            },
            {
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              "matchCriteriaId": "4F8B1290-410C-4DF8-8F32-D7606D6ED70C",
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            },
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            {
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              "matchCriteriaId": "A91D1B9C-1E80-4F1F-9C87-B2F8BBC238CC",
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            },
            {
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            },
            {
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            },
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            },
            {
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              "matchCriteriaId": "081B181E-C83F-43B1-B403-66F39E9F19B9",
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            },
            {
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            },
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              "matchCriteriaId": "4C141581-C3A0-40AD-9653-09A807DAD6CA",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fortinet:fortitoken_mobile:4.3.0:*:*:*:*:android:*:*",
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            },
            {
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              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fortinet:fortitoken_mobile:4.4.0:*:*:*:*:android:*:*",
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            },
            {
              "criteria": "cpe:2.3:a:fortinet:fortitoken_mobile:4.5.0:*:*:*:*:android:*:*",
              "matchCriteriaId": "94A1FD51-E7EB-46B0-876F-FC4DBCD9F067",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fortinet:fortitoken_mobile:5.0.2:*:*:*:*:android:*:*",
              "matchCriteriaId": "C7D9D6C0-3BEE-4AA7-89F0-3F403BE9899F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fortinet:fortitoken_mobile:5.0.3:*:*:*:*:android:*:*",
              "matchCriteriaId": "D5AD4616-8E63-4454-B443-F25226796FDA",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fortinet:fortitoken_mobile:5.2.0:*:*:*:*:ios:*:*",
              "matchCriteriaId": "B395A92E-6FE3-42E1-97F3-3FB6FB1C2AF9",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A improper validation of certificate with host mismatch in Fortinet FortiTokenAndroid version 5.0.3 and below, Fortinet FortiTokeniOS version 5.2.0 and below, Fortinet FortiTokenWinApp version 4.0.3 and below allows attacker to retrieve information disclosed via man-in-the-middle attacks."
    },
    {
      "lang": "es",
      "value": "Una comprobaci\u00f3n incorrecta del certificado con desajuste de host en Fortinet FortiTokenAndroid versi\u00f3n 5.0.3 y posteriores, Fortinet FortiTokeniOS versi\u00f3n 5.2.0 y posteriores, Fortinet FortiTokenWinApp versi\u00f3n 4.0.3 y posteriores permite a un atacante recuperar informaci\u00f3n divulgada por medio de ataques de tipo man-in-the-middle"
    }
  ],
  "id": "CVE-2021-22131",
  "lastModified": "2026-06-17T03:36:40.257",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.2,
        "impactScore": 5.2,
        "source": "psirt@fortinet.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.2,
        "impactScore": 4.2,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2021-22131",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-10-22T20:19:26.926959Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2022-07-18T18:15:08.620",
  "references": [
    {
      "source": "psirt@fortinet.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://fortiguard.com/advisory/FG-IR-21-024"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://fortiguard.com/advisory/FG-IR-21-024"
    }
  ],
  "sourceIdentifier": "psirt@fortinet.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-295"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.