FKIE_CVE-2021-36921

Vulnerability from fkie_nvd - Published: 2021-08-12 18:15 - Updated: 2026-06-17 03:59
Severity
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
AIMANAGER before B115 on MONITORAPP Application Insight Web Application Firewall (AIWAF) devices with Manager 2.1.0 has Improper Authentication. An attacker can gain administrative access by modifying the response to an authentication check request.
References
cve@mitre.orghttps://github.com/fireeye/Vulnerability-Disclosures/blob/master/FEYE-2021-0021/FEYE-2021-0021.mdThird Party Advisory
cve@mitre.orghttps://github.com/monitorapp-aicc/report/wiki/CVE-2021-36921Third Party Advisory
cve@mitre.orghttps://www.monitorapp.com/waf/Product, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/fireeye/Vulnerability-Disclosures/blob/master/FEYE-2021-0021/FEYE-2021-0021.mdThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/monitorapp-aicc/report/wiki/CVE-2021-36921Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.monitorapp.com/waf/Product, Vendor Advisory
Impacted products
Vendor Product Version
monitorapp application_insight_manager *
monitorapp application_insight_web_application_firewall -
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:monitorapp:application_insight_manager:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "E9E2CA11-04CA-43E3-BBC2-46A2DAD8ED3F",
              "versionEndExcluding": "b115",
              "versionStartIncluding": "b107",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:monitorapp:application_insight_web_application_firewall:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "89AC475F-FDAF-442D-A441-EEF883CF1142",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "AIMANAGER before B115 on MONITORAPP Application Insight Web Application Firewall (AIWAF) devices with Manager 2.1.0 has Improper Authentication. An attacker can gain administrative access by modifying the response to an authentication check request."
    },
    {
      "lang": "es",
      "value": "AIMANAGER versiones anteriores a B115 en los dispositivos MONITORAPP Application Insight Web Application Firewall (AIWAF) con Manager versi\u00f3n 2.1.0, presenta una Autenticaci\u00f3n Inapropiada. Un atacante puede conseguir acceso administrativo modificando la respuesta a una petici\u00f3n de comprobaci\u00f3n de autenticaci\u00f3n"
    }
  ],
  "id": "CVE-2021-36921",
  "lastModified": "2026-06-17T03:59:38.177",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-08-12T18:15:09.617",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/fireeye/Vulnerability-Disclosures/blob/master/FEYE-2021-0021/FEYE-2021-0021.md"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/monitorapp-aicc/report/wiki/CVE-2021-36921"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Product",
        "Vendor Advisory"
      ],
      "url": "https://www.monitorapp.com/waf/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/fireeye/Vulnerability-Disclosures/blob/master/FEYE-2021-0021/FEYE-2021-0021.md"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/monitorapp-aicc/report/wiki/CVE-2021-36921"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Product",
        "Vendor Advisory"
      ],
      "url": "https://www.monitorapp.com/waf/"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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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

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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.
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  • 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.