551 lines
24 KiB
JSON
551 lines
24 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"cveMetadata": {
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"state": "PUBLISHED",
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"cveId": "CVE-2021-3156",
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"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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"assignerShortName": "mitre",
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"dateUpdated": "2025-10-21T23:35:29.600Z",
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"dateReserved": "2021-01-15T00:00:00.000Z",
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"datePublished": "2021-01-26T00:00:00.000Z"
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"containers": {
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"dateUpdated": "2024-09-18T16:41:27.031Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "Sudo before 1.9.5p2 contains an off-by-one error that can result in a heap-based buffer overflow, which allows privilege escalation to root via \"sudoedit -s\" and a command-line argument that ends with a single backslash character."
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}
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"affected": [
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|
|
"attackVector": "LOCAL",
|
|
"baseSeverity": "HIGH",
|
|
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
|
|
"integrityImpact": "HIGH",
|
|
"userInteraction": "NONE",
|
|
"attackComplexity": "LOW",
|
|
"availabilityImpact": "HIGH",
|
|
"privilegesRequired": "LOW",
|
|
"confidentialityImpact": "HIGH"
|
|
}
|
|
},
|
|
{
|
|
"other": {
|
|
"type": "ssvc",
|
|
"content": {
|
|
"id": "CVE-2021-3156",
|
|
"role": "CISA Coordinator",
|
|
"options": [
|
|
{
|
|
"Exploitation": "active"
|
|
},
|
|
{
|
|
"Automatable": "no"
|
|
},
|
|
{
|
|
"Technical Impact": "total"
|
|
}
|
|
],
|
|
"version": "2.0.3",
|
|
"timestamp": "2025-02-03T15:43:52.658146Z"
|
|
}
|
|
}
|
|
},
|
|
{
|
|
"other": {
|
|
"type": "kev",
|
|
"content": {
|
|
"dateAdded": "2022-04-06",
|
|
"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-3156"
|
|
}
|
|
}
|
|
}
|
|
],
|
|
"references": [
|
|
{
|
|
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-3156",
|
|
"tags": [
|
|
"government-resource"
|
|
]
|
|
}
|
|
],
|
|
"problemTypes": [
|
|
{
|
|
"descriptions": [
|
|
{
|
|
"lang": "en",
|
|
"type": "CWE",
|
|
"cweId": "CWE-193",
|
|
"description": "CWE-193 Off-by-one Error"
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"timeline": [
|
|
{
|
|
"time": "2022-04-06T00:00:00.000Z",
|
|
"lang": "en",
|
|
"value": "CVE-2021-3156 added to CISA KEV"
|
|
}
|
|
],
|
|
"title": "CISA ADP Vulnrichment",
|
|
"providerMetadata": {
|
|
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
|
|
"shortName": "CISA-ADP",
|
|
"dateUpdated": "2025-10-21T23:35:29.600Z"
|
|
}
|
|
}
|
|
]
|
|
},
|
|
"dataVersion": "5.1"
|
|
} |