{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-4406","assignerOrgId":"b87402ff-ae37-4194-9dae-31abdbd6f217","state":"PUBLISHED","assignerShortName":"DIVD","dateReserved":"2023-07-05T15:24:56.556Z","datePublished":"2023-07-10T06:29:48.698Z","dateUpdated":"2025-09-24T15:46:35.837Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unknown","product":"QuantaStor","vendor":"OSNEXUS","versions":[{"lessThanOrEqual":"6.0.0.355","status":"affected","version":"0","versionType":"semver"}]}],"credits":[{"lang":"en","type":"finder","value":"Wietse Boonstra (DIVD)"},{"lang":"en","type":"analyst","value":"Frank Breedijk (DIVD)"},{"lang":"en","type":"analyst","value":"Victor Pasman (DIVD)"},{"lang":"en","type":"analyst","value":"Victor Gevers (DIVD)"},{"lang":"en","type":"analyst","value":"Max van der Horst (DIVD)"},{"lang":"en","type":"analyst","value":"Célistine Oosting (DIVD)"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"An authenticated attacker is able to create alerts that trigger a stored XSS attack.<br><br>POC<br><br><br><ol><li><p>go to the alert manager</p></li><li>open the ITSM tab</li><li><p>add a webhook with the URL/service token value </p><tt>'\t-h\t&amp;&amp;\tid\t|\ttee\t/tmp/ttttttddddssss\t#'</tt><p> (whitespaces are tab characters)</p></li><li><p>click add</p></li><li><p>click apply</p></li><li><p>create a test alert</p></li><li><p>The test alert will run the command </p><tt>“id\t|\ttee\t/tmp/ttttttddddssss”</tt><p> as root.</p></li><li><p>after the test alert inspect </p><tt>/tmp/ttttttddddssss</tt><p> it'll contain the ids of the root user.<br></p></li></ol><b></b><br>"}],"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'\t-h\t&&\tid\t|\ttee\t/tmp/ttttttddddssss\t#' (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“id\t|\ttee\t/tmp/ttttttddddssss” as root.\n\n\n  *  after the test alert inspect \n\n/tmp/ttttttddddssss it'll contain the ids of the root user."}],"metrics":[{"cvssV3_1":{"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"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-77","description":"CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"b87402ff-ae37-4194-9dae-31abdbd6f217","shortName":"DIVD","dateUpdated":"2025-09-24T15:46:35.837Z"},"references":[{"tags":["third-party-advisory"],"url":"https://csirt.divd.nl/DIVD-2021-00020/"},{"tags":["product"],"url":"https://www.osnexus.com/products/software-defined-storage"},{"tags":["third-party-advisory","exploit","technical-description"],"url":"https://csirt.divd.nl/CVE-2021-4406"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Upgrade to the latest version of OSNEXUS QuantaStor and hope it is fixed"}],"value":"Upgrade to the latest version of OSNEXUS QuantaStor and hope it is fixed"}],"source":{"discovery":"INTERNAL"},"title":"Authenticated Remote COmmand Execution as root in OSNEXUS QuantaStor version 6.0.0.355 and others","x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-03T17:23:10.705Z"},"title":"CVE Program Container","references":[{"url":"https://www.divd.nl/DIVD-2021-00020","tags":["third-party-advisory","x_transferred"]},{"url":"https://www.osnexus.com/products/software-defined-storage","tags":["product","x_transferred"]},{"url":"https://csirt.divd.nl/CVE-2021-4406","tags":["third-party-advisory","x_transferred"]}]},{"references":[{"url":"https://csirt.divd.nl/cves/CVE-2021-4406/","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-09-24T13:40:31.901830Z","id":"CVE-2021-4406","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-09-24T13:40:46.757Z"}}]}}