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vuln-cve/data/2021/42xxx/CVE-2021-42083.json
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{
"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": "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><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;\">“</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;\">”</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“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": "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"
}
]
}
]
}
}
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