fkie_cve-2021-4406
Vulnerability from fkie_nvd
Published
2023-07-10 16:15
Modified
2025-09-24 14:15
Severity ?
9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
7.2 (High) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Summary
An authenticated attacker is able to create alerts that trigger a stored XSS attack. POC * go to the alert manager * open the ITSM tab * add a webhook with the URL/service token value ' -h && id | tee /tmp/ttttttddddssss #' (whitespaces are tab characters) * click add * click apply * create a test alert * The test alert will run the command “id | tee /tmp/ttttttddddssss” as root. * after the test alert inspect /tmp/ttttttddddssss it'll contain the ids of the root user.
References
csirt@divd.nlhttps://csirt.divd.nl/CVE-2021-4406Third Party Advisory
csirt@divd.nlhttps://csirt.divd.nl/DIVD-2021-00020/
csirt@divd.nlhttps://www.osnexus.com/products/software-defined-storageProduct
af854a3a-2127-422b-91ae-364da2661108https://csirt.divd.nl/CVE-2021-4406Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.divd.nl/DIVD-2021-00020
af854a3a-2127-422b-91ae-364da2661108https://www.osnexus.com/products/software-defined-storageProduct
134c704f-9b21-4f2e-91b3-4a467353bcc0https://csirt.divd.nl/cves/CVE-2021-4406/
Impacted products
Vendor Product Version
osnexus quantastor *


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:osnexus:quantastor:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "5E101217-36C7-4C28-8C61-7744481D2D0E",
              "versionEndExcluding": "6.0.0.355",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An authenticated attacker is able to create alerts that trigger a stored XSS attack.\n\nPOC\n\n\n  *  go to the alert manager\n\n\n  *  open the ITSM tab\n  *  add a webhook with the URL/service token value \n\n\u0027\t-h\t\u0026\u0026\tid\t|\ttee\t/tmp/ttttttddddssss\t#\u0027 (whitespaces are tab characters)\n\n\n  *  click add\n\n\n  *  click apply\n\n\n  *  create a test alert\n\n\n  *  The test alert will run the command \n\n\u201cid\t|\ttee\t/tmp/ttttttddddssss\u201d as root.\n\n\n  *  after the test alert inspect \n\n/tmp/ttttttddddssss it\u0027ll contain the ids of the root user."
    }
  ],
  "id": "CVE-2021-4406",
  "lastModified": "2025-09-24T14:15:45.487",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.1,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.3,
        "impactScore": 6.0,
        "source": "csirt@divd.nl",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.2,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.2,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2023-07-10T16:15:47.747",
  "references": [
    {
      "source": "csirt@divd.nl",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://csirt.divd.nl/CVE-2021-4406"
    },
    {
      "source": "csirt@divd.nl",
      "url": "https://csirt.divd.nl/DIVD-2021-00020/"
    },
    {
      "source": "csirt@divd.nl",
      "tags": [
        "Product"
      ],
      "url": "https://www.osnexus.com/products/software-defined-storage"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://csirt.divd.nl/CVE-2021-4406"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://www.divd.nl/DIVD-2021-00020"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Product"
      ],
      "url": "https://www.osnexus.com/products/software-defined-storage"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "url": "https://csirt.divd.nl/cves/CVE-2021-4406/"
    }
  ],
  "sourceIdentifier": "csirt@divd.nl",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-77"
        }
      ],
      "source": "csirt@divd.nl",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-77"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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