CVE-2021-42083

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2021-42083", "assignerOrgId": "b87402ff-ae37-4194-9dae-31abdbd6f217", "state": "PUBLISHED", "assignerShortName": "DIVD", "dateReserved": "2021-10-07T17:12:57.678Z", "datePublished": "2023-07-10T06:29:47.782Z", "dateUpdated": "2025-09-22T06:40:07.586Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unknown", "platforms": ["Windows", "Linux"], "product": "QuantaStor", "vendor": "OSNEXUS", "versions": [{"lessThan": "6.0.0.355", "status": "affected", "version": "0", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "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": "C\u00e9listine 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><span style=\"background-color: transparent;\">go to the alert manager</span></p></li><li><span style=\"background-color: transparent;\">open the ITSM tab</span></li><li><p><span style=\"background-color: transparent;\">add a webhook with the URL/service token value </span></p><tt><span style=\"background-color: transparent;\">'</span>\t<span style=\"background-color: transparent;\">-h</span>\t<span style=\"background-color: transparent;\">&amp;&amp;</span>\t<span style=\"background-color: transparent;\">id</span>\t<span style=\"background-color: transparent;\">|</span>\t<span style=\"background-color: transparent;\">tee</span>\t<span style=\"background-color: transparent;\">/tmp/ttttttddddssss</span>\t<span style=\"background-color: transparent;\">#'</span></tt><p> <span style=\"background-color: transparent;\">(whitespaces are tab characters)</span></p></li><li><p><span style=\"background-color: transparent;\">click add</span></p></li><li><p><span style=\"background-color: transparent;\">click apply</span></p></li><li><p><span style=\"background-color: transparent;\">create a test alert</span></p></li><li><p><span style=\"background-color: transparent;\">The test alert will run the command </span></p><tt><span style=\"background-color: transparent;\">\u201c</span><span style=\"background-color: transparent;\">id</span>\t<span style=\"background-color: transparent;\">|</span>\t<span style=\"background-color: transparent;\">tee</span>\t<span style=\"background-color: transparent;\">/tmp/ttttttddddssss</span><span style=\"background-color: transparent;\">\u201d</span></tt><p><span style=\"background-color: transparent;\"> as root.</span></p></li><li><p><span style=\"background-color: transparent;\"><span style=\"background-color: transparent;\">after the test alert inspect </span></span></p><tt>/tmp/ttttttddddssss</tt><p><span style=\"background-color: transparent;\"> <span style=\"background-color: transparent;\">it'll contain the ids of the root user.</span><br></span></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\u201cid\t|\ttee\t/tmp/ttttttddddssss\u201d 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": "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"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "b87402ff-ae37-4194-9dae-31abdbd6f217", "shortName": "DIVD", "dateUpdated": "2025-09-22T06:40:07.586Z"}, "references": [{"tags": ["third-party-advisory", "technical-description", "exploit"], "url": "https://www.wbsec.nl/osnexus"}, {"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-2021-42083"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Upgrade to the latest version of OSNEXUS QuantaStor."}], "value": "Upgrade to the latest version of OSNEXUS QuantaStor."}], "source": {"discovery": "INTERNAL"}, "title": "Authenticated Stored XSS in OSNEXUS QuantaStor 6.0.0.335", "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T03:22:25.878Z"}, "title": "CVE Program Container", "references": [{"tags": ["third-party-advisory", "x_transferred"], "url": "https://www.wbsec.nl/osnexus"}, {"tags": ["third-party-advisory", "x_transferred"], "url": "https://www.divd.nl/DIVD-2021-00020"}, {"tags": ["product", "x_transferred"], "url": "https://www.osnexus.com/products/software-defined-storage"}, {"tags": ["third-party-advisory", "x_transferred"], "url": "https://csirt.divd.nl/CVE-2021-42083"}]}]}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unknown", "platforms": ["Windows", "Linux"], "product": "QuantaStor", "vendor": "OSNEXUS", "versions": [{"lessThan": "6.0.0.355", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "csirt@divd.nl"}], "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'\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\u201cid\t|\ttee\t/tmp/ttttttddddssss\u201d as root.\n\n\n * after the test alert inspect \n\n/tmp/ttttttddddssss it'll contain the ids of the root user."}], "id": "CVE-2021-42083", "lastModified": "2026-06-17T04:09:17.083", "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"}]}

{}

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