GSD-2021-26112

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
Multiple stack-based buffer overflow vulnerabilities [CWE-121] both in network daemons and in the command line interpreter of FortiWAN before 4.5.9 may allow an unauthenticated attacker to potentially corrupt control data in memory and execute arbitrary code via specifically crafted requests.
Aliases
Aliases
CVE-2021-26112
To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-26112",
    "description": "Multiple stack-based buffer overflow vulnerabilities [CWE-121] both in network daemons and in the command line interpreter of FortiWAN before 4.5.9 may allow an unauthenticated attacker to potentially corrupt control data in memory and execute arbitrary code via specifically crafted requests.",
    "id": "GSD-2021-26112"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-26112"
      ],
      "details": "Multiple stack-based buffer overflow vulnerabilities [CWE-121] both in network daemons and in the command line interpreter of FortiWAN before 4.5.9 may allow an unauthenticated attacker to potentially corrupt control data in memory and execute arbitrary code via specifically crafted requests.",
      "id": "GSD-2021-26112",
      "modified": "2023-12-13T01:23:33.083062Z",
      "schema_version": "1.4.0"
    }
  },
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        "ID": "CVE-2021-26112",
        "STATE": "PUBLIC"
      },
      "affects": {
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          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Fortinet FortiWAN",
                    "version": {
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                        {
                          "version_value": "FortiWAN before 4.5.9"
                        }
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                  }
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          }
        ]
      },
      "impact": {
        "cvss": {
          "attackComplexity": "High",
          "attackVector": "Network",
          "availabilityImpact": "High",
          "baseScore": 7.7,
          "baseSeverity": "High",
          "confidentialityImpact": "High",
          "integrityImpact": "High",
          "privilegesRequired": "None",
          "scope": "Unchanged",
          "userInteraction": "None",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:C",
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            "description": [
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                "lang": "eng",
                "value": "Execute unauthorized code or commands"
              }
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        ]
      },
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        "reference_data": [
          {
            "name": "https://fortiguard.com/psirt/FG-IR-21-065",
            "refsource": "CONFIRM",
            "url": "https://fortiguard.com/psirt/FG-IR-21-065"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
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        "nodes": [
          {
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                "cpe_name": [],
                "versionEndIncluding": "4.5.8",
                "vulnerable": true
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          "ID": "CVE-2021-26112"
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        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "Multiple stack-based buffer overflow vulnerabilities [CWE-121] both in network daemons and in the command line interpreter of FortiWAN before 4.5.9 may allow an unauthenticated attacker to potentially corrupt control data in memory and execute arbitrary code via specifically crafted requests."
            }
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        },
        "problemtype": {
          "problemtype_data": [
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              "description": [
                {
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                  "value": "CWE-787"
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        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 7.5,
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            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
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          },
          "exploitabilityScore": 10.0,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
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          "userInteractionRequired": false
        },
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            "confidentialityImpact": "HIGH",
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          "impactScore": 5.9
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      },
      "lastModifiedDate": "2022-04-13T18:46Z",
      "publishedDate": "2022-04-06T10:15Z"
    }
  }
}


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  • 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.