CVE-2021-26106 (GCVE-0-2021-26106)

Vulnerability from cvelistv5 – Published: 2021-07-09 18:26 – Updated: 2024-10-25 13:56
VLAI?
Summary
An improper neutralization of special elements used in an OS Command vulnerability in FortiAP's console 6.4.1 through 6.4.5 and 6.2.4 through 6.2.5 may allow an authenticated attacker to execute unauthorized commands by running the kdbg CLI command with specifically crafted arguments.
Severity ?
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • Execute unauthorized code or commands
Assigner
References
Impacted products
Vendor Product Version
Fortinet Fortinet FortiAP-W2, FortiAP-S, FortiAP Affected: FortiAP-W2 6.2.4 through 6.2.5; FortiAP-S 6.2.4 through 6.2.5; FortiAP 6.4.1 through 6.4.5
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T20:19:19.649Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://fortiguard.com/advisory/FG-IR-20-210"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-26106",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-10-23T14:13:42.961833Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-10-25T13:56:41.494Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Fortinet FortiAP-W2, FortiAP-S, FortiAP",
          "vendor": "Fortinet",
          "versions": [
            {
              "status": "affected",
              "version": "FortiAP-W2 6.2.4 through 6.2.5; FortiAP-S 6.2.4 through 6.2.5; FortiAP 6.4.1 through 6.4.5"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An improper neutralization of special elements used in an OS Command vulnerability in FortiAP\u0027s console 6.4.1 through 6.4.5 and 6.2.4 through 6.2.5 may allow an authenticated attacker to execute unauthorized commands by running the kdbg CLI command with specifically crafted arguments."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "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"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Execute unauthorized code or commands",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-07-09T18:26:30",
        "orgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
        "shortName": "fortinet"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://fortiguard.com/advisory/FG-IR-20-210"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@fortinet.com",
          "ID": "CVE-2021-26106",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Fortinet FortiAP-W2, FortiAP-S, FortiAP",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "FortiAP-W2 6.2.4 through 6.2.5; FortiAP-S 6.2.4 through 6.2.5; FortiAP 6.4.1 through 6.4.5"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Fortinet"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "An improper neutralization of special elements used in an OS Command vulnerability in FortiAP\u0027s console 6.4.1 through 6.4.5 and 6.2.4 through 6.2.5 may allow an authenticated attacker to execute unauthorized commands by running the kdbg CLI command with specifically crafted arguments."
            }
          ]
        },
        "impact": {
          "cvss": {
            "attackComplexity": "Low",
            "attackVector": "Local",
            "availabilityImpact": "High",
            "baseScore": 7.6,
            "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"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Execute unauthorized code or commands"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://fortiguard.com/advisory/FG-IR-20-210",
              "refsource": "CONFIRM",
              "url": "https://fortiguard.com/advisory/FG-IR-20-210"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
    "assignerShortName": "fortinet",
    "cveId": "CVE-2021-26106",
    "datePublished": "2021-07-09T18:26:30",
    "dateReserved": "2021-01-25T00:00:00",
    "dateUpdated": "2024-10-25T13:56:41.494Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:fortinet:fortiap:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"6.4.1\", \"versionEndExcluding\": \"6.4.6\", \"matchCriteriaId\": \"4983FD48-A409-4A40-B936-73719B526FDC\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:fortinet:fortiap-s:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"6.2.4\", \"versionEndExcluding\": \"6.2.6\", \"matchCriteriaId\": \"58FFD38C-7193-4118-A0CD-B4D79773F764\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:fortinet:fortiap-w2:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"6.2.4\", \"versionEndExcluding\": \"6.2.6\", \"matchCriteriaId\": \"3835833F-7C94-487C-800B-6E20DF263E79\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"An improper neutralization of special elements used in an OS Command vulnerability in FortiAP\u0027s console 6.4.1 through 6.4.5 and 6.2.4 through 6.2.5 may allow an authenticated attacker to execute unauthorized commands by running the kdbg CLI command with specifically crafted arguments.\"}, {\"lang\": \"es\", \"value\": \"Una vulnerabilidad neutralizaci\\u00f3n inapropiada de los elementos especiales usados en comandos del Sistema Operativo en la consola de FortiAP versiones 6.4.1 hasta 6.4.5 y versiones 6.2.4 hasta 6.2.5, puede permitir a un atacante autenticado ejecutar comandos no autorizados al ejecutar el comando kdbg CLI con argumentos espec\\u00edficamente dise\\u00f1ados\"}]",
      "id": "CVE-2021-26106",
      "lastModified": "2024-11-21T05:55:52.487",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"psirt@fortinet.com\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 7.8, \"baseSeverity\": \"HIGH\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 5.9}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 7.8, \"baseSeverity\": \"HIGH\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 5.9}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:L/AC:L/Au:N/C:P/I:P/A:P\", \"baseScore\": 4.6, \"accessVector\": \"LOCAL\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 3.9, \"impactScore\": 6.4, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2021-07-09T19:15:08.313",
      "references": "[{\"url\": \"https://fortiguard.com/advisory/FG-IR-20-210\", \"source\": \"psirt@fortinet.com\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://fortiguard.com/advisory/FG-IR-20-210\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}]",
      "sourceIdentifier": "psirt@fortinet.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-78\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-26106\",\"sourceIdentifier\":\"psirt@fortinet.com\",\"published\":\"2021-07-09T19:15:08.313\",\"lastModified\":\"2024-11-21T05:55:52.487\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An improper neutralization of special elements used in an OS Command vulnerability in FortiAP\u0027s console 6.4.1 through 6.4.5 and 6.2.4 through 6.2.5 may allow an authenticated attacker to execute unauthorized commands by running the kdbg CLI command with specifically crafted arguments.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad neutralizaci\u00f3n inapropiada de los elementos especiales usados en comandos del Sistema Operativo en la consola de FortiAP versiones 6.4.1 hasta 6.4.5 y versiones 6.2.4 hasta 6.2.5, puede permitir a un atacante autenticado ejecutar comandos no autorizados al ejecutar el comando kdbg CLI con argumentos espec\u00edficamente dise\u00f1ados\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"psirt@fortinet.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:P/I:P/A:P\",\"baseScore\":4.6,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":3.9,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-78\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fortinet:fortiap:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.4.1\",\"versionEndExcluding\":\"6.4.6\",\"matchCriteriaId\":\"4983FD48-A409-4A40-B936-73719B526FDC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fortinet:fortiap-s:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2.4\",\"versionEndExcluding\":\"6.2.6\",\"matchCriteriaId\":\"58FFD38C-7193-4118-A0CD-B4D79773F764\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fortinet:fortiap-w2:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2.4\",\"versionEndExcluding\":\"6.2.6\",\"matchCriteriaId\":\"3835833F-7C94-487C-800B-6E20DF263E79\"}]}]}],\"references\":[{\"url\":\"https://fortiguard.com/advisory/FG-IR-20-210\",\"source\":\"psirt@fortinet.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://fortiguard.com/advisory/FG-IR-20-210\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://fortiguard.com/advisory/FG-IR-20-210\", \"tags\": [\"x_refsource_CONFIRM\", \"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-03T20:19:19.649Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2021-26106\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-10-23T14:13:42.961833Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-10-23T14:17:25.217Z\"}}], \"cna\": {\"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.8, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}}], \"affected\": [{\"vendor\": \"Fortinet\", \"product\": \"Fortinet FortiAP-W2, FortiAP-S, FortiAP\", \"versions\": [{\"status\": \"affected\", \"version\": \"FortiAP-W2 6.2.4 through 6.2.5; FortiAP-S 6.2.4 through 6.2.5; FortiAP 6.4.1 through 6.4.5\"}]}], \"references\": [{\"url\": \"https://fortiguard.com/advisory/FG-IR-20-210\", \"tags\": [\"x_refsource_CONFIRM\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"An improper neutralization of special elements used in an OS Command vulnerability in FortiAP\u0027s console 6.4.1 through 6.4.5 and 6.2.4 through 6.2.5 may allow an authenticated attacker to execute unauthorized commands by running the kdbg CLI command with specifically crafted arguments.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"text\", \"description\": \"Execute unauthorized code or commands\"}]}], \"providerMetadata\": {\"orgId\": \"6abe59d8-c742-4dff-8ce8-9b0ca1073da8\", \"shortName\": \"fortinet\", \"dateUpdated\": \"2021-07-09T18:26:30\"}, \"x_legacyV4Record\": {\"impact\": {\"cvss\": {\"scope\": \"Unchanged\", \"version\": \"3.1\", \"baseScore\": 7.6, \"attackVector\": \"Local\", \"baseSeverity\": \"High\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"High\", \"userInteraction\": \"None\", \"attackComplexity\": \"Low\", \"availabilityImpact\": \"High\", \"privilegesRequired\": \"Low\", \"confidentialityImpact\": \"High\"}}, \"affects\": {\"vendor\": {\"vendor_data\": [{\"product\": {\"product_data\": [{\"version\": {\"version_data\": [{\"version_value\": \"FortiAP-W2 6.2.4 through 6.2.5; FortiAP-S 6.2.4 through 6.2.5; FortiAP 6.4.1 through 6.4.5\"}]}, \"product_name\": \"Fortinet FortiAP-W2, FortiAP-S, FortiAP\"}]}, \"vendor_name\": \"Fortinet\"}]}}, \"data_type\": \"CVE\", \"references\": {\"reference_data\": [{\"url\": \"https://fortiguard.com/advisory/FG-IR-20-210\", \"name\": \"https://fortiguard.com/advisory/FG-IR-20-210\", \"refsource\": \"CONFIRM\"}]}, \"data_format\": \"MITRE\", \"description\": {\"description_data\": [{\"lang\": \"eng\", \"value\": \"An improper neutralization of special elements used in an OS Command vulnerability in FortiAP\u0027s console 6.4.1 through 6.4.5 and 6.2.4 through 6.2.5 may allow an authenticated attacker to execute unauthorized commands by running the kdbg CLI command with specifically crafted arguments.\"}]}, \"problemtype\": {\"problemtype_data\": [{\"description\": [{\"lang\": \"eng\", \"value\": \"Execute unauthorized code or commands\"}]}]}, \"data_version\": \"4.0\", \"CVE_data_meta\": {\"ID\": \"CVE-2021-26106\", \"STATE\": \"PUBLIC\", \"ASSIGNER\": \"psirt@fortinet.com\"}}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2021-26106\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-10-25T13:56:41.494Z\", \"dateReserved\": \"2021-01-25T00:00:00\", \"assignerOrgId\": \"6abe59d8-c742-4dff-8ce8-9b0ca1073da8\", \"datePublished\": \"2021-07-09T18:26:30\", \"assignerShortName\": \"fortinet\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




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.