{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-10T22:57:29.479","vulnerabilities":[{"cve":{"id":"CVE-2021-4406","sourceIdentifier":"csirt@divd.nl","published":"2023-07-10T16:15:47.747","lastModified":"2025-09-24T14:15:45.487","vulnStatus":"Modified","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'\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":{"cvssMetricV31":[{"source":"csirt@divd.nl","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","baseScore":9.1,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.3,"impactScore":6.0},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","baseScore":7.2,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.2,"impactScore":5.9}]},"weaknesses":[{"source":"csirt@divd.nl","type":"Secondary","description":[{"lang":"en","value":"CWE-77"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-77"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:osnexus:quantastor:*:*:*:*:*:*:*:*","versionEndExcluding":"6.0.0.355","matchCriteriaId":"5E101217-36C7-4C28-8C61-7744481D2D0E"}]}]}],"references":[{"url":"https://csirt.divd.nl/CVE-2021-4406","source":"csirt@divd.nl","tags":["Third Party Advisory"]},{"url":"https://csirt.divd.nl/DIVD-2021-00020/","source":"csirt@divd.nl"},{"url":"https://www.osnexus.com/products/software-defined-storage","source":"csirt@divd.nl","tags":["Product"]},{"url":"https://csirt.divd.nl/CVE-2021-4406","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://www.divd.nl/DIVD-2021-00020","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.osnexus.com/products/software-defined-storage","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Product"]},{"url":"https://csirt.divd.nl/cves/CVE-2021-4406/","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}]}}]}