fkie_cve-2021-42083
Vulnerability from fkie_nvd
Published
2023-07-10 16:15
Modified
2025-09-22 07:15
Severity ?
8.7 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
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-2021-42083Third Party Advisory
csirt@divd.nlhttps://csirt.divd.nl/DIVD-2021-00020/
csirt@divd.nlhttps://www.osnexus.com/products/software-defined-storageProduct
csirt@divd.nlhttps://www.wbsec.nl/osnexusThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://csirt.divd.nl/CVE-2021-42083Third 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
af854a3a-2127-422b-91ae-364da2661108https://www.wbsec.nl/osnexusThird Party Advisory
Impacted products
Vendor Product Version
osnexus quantastor *
linux linux_kernel -
microsoft windows -


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"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "703AF700-7A70-47E2-BC3A-7FD03B3CA9C1",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "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-2021-42083",
  "lastModified": "2025-09-22T07:15:40.060",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 8.7,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.3,
        "impactScore": 5.8,
        "source": "csirt@divd.nl",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.3,
        "impactScore": 2.7,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2023-07-10T16:15:47.690",
  "references": [
    {
      "source": "csirt@divd.nl",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://csirt.divd.nl/CVE-2021-42083"
    },
    {
      "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": "csirt@divd.nl",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.wbsec.nl/osnexus"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://csirt.divd.nl/CVE-2021-42083"
    },
    {
      "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": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.wbsec.nl/osnexus"
    }
  ],
  "sourceIdentifier": "csirt@divd.nl",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "csirt@divd.nl",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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 seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.