CVE-2017-3162
Status: ModifiedHigh (7.3)—
HDFS clients interact with a servlet on the DataNode to browse the HDFS namespace. The NameNode is provided as a query parameter that is not validated in Apache Hadoop before 2.7.0.
CVSS
- Version: 3.0
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- Base score: 7.3
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 6.25%
- Percentile among all scored CVEs: 93
- Score date: 10/3/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (1)
CWEs
- CWE-20
References
- http://www.securityfocus.com/bid/98017
- https://lists.apache.org/thread.html/r127f75748fcabc63bc5a1bec6885753eb9b2bed803b6ed7bd46f965b%40%3Cuser.hadoop.apache.org%3E
- https://lists.apache.org/thread.html/r66de86b9a608c1da70b2d27d765c11ec88edf6e5dd6f379ab33e072a%40%3Cuser.flink.apache.org%3E
- https://s.apache.org/k2ss
- http://www.securityfocus.com/bid/98017
- https://lists.apache.org/thread.html/r127f75748fcabc63bc5a1bec6885753eb9b2bed803b6ed7bd46f965b%40%3Cuser.hadoop.apache.org%3E
- https://lists.apache.org/thread.html/r66de86b9a608c1da70b2d27d765c11ec88edf6e5dd6f379ab33e072a%40%3Cuser.flink.apache.org%3E
- https://s.apache.org/k2ss
Raw JSON (NVD)
Show
{
"id": "CVE-2017-3162",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 7.5,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "LOW",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": true,
"impactScore": 6.4,
"baseSeverity": "HIGH",
"obtainAllPrivilege": false,
"exploitabilityScore": 10,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV30": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.0",
"baseScore": 7.3,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
"integrityImpact": "LOW",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "LOW",
"privilegesRequired": "NONE",
"confidentialityImpact": "LOW"
},
"impactScore": 3.4,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "security@apache.org",
"affectedData": [
{
"vendor": "Apache Software Foundation",
"product": "Apache Hadoop",
"versions": [
{
"status": "affected",
"version": "2.6.x and earlier"
}
]
}
]
}
],
"published": "2017-04-26T20:59:00.260",
"references": [
{
"url": "http://www.securityfocus.com/bid/98017",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "security@apache.org"
},
{
"url": "https://lists.apache.org/thread.html/r127f75748fcabc63bc5a1bec6885753eb9b2bed803b6ed7bd46f965b%40%3Cuser.hadoop.apache.org%3E",
"source": "security@apache.org"
},
{
"url": "https://lists.apache.org/thread.html/r66de86b9a608c1da70b2d27d765c11ec88edf6e5dd6f379ab33e072a%40%3Cuser.flink.apache.org%3E",
"source": "security@apache.org"
},
{
"url": "https://s.apache.org/k2ss",
"tags": [
"Vendor Advisory"
],
"source": "security@apache.org"
},
{
"url": "http://www.securityfocus.com/bid/98017",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://lists.apache.org/thread.html/r127f75748fcabc63bc5a1bec6885753eb9b2bed803b6ed7bd46f965b%40%3Cuser.hadoop.apache.org%3E",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://lists.apache.org/thread.html/r66de86b9a608c1da70b2d27d765c11ec88edf6e5dd6f379ab33e072a%40%3Cuser.flink.apache.org%3E",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://s.apache.org/k2ss",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-20"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "HDFS clients interact with a servlet on the DataNode to browse the HDFS namespace. The NameNode is provided as a query parameter that is not validated in Apache Hadoop before 2.7.0."
},
{
"lang": "es",
"value": "Vulnerabilidad en HDFS de Hadoop en versiones anteriores a la 2.7.0, a través de la cual clientes de HDFS podrían interactuar con un servlet en el DataNode para poder explorar el espacio de nombres HDFS. El NameNode se proporcionaría como un parámetro de consulta que no estaría validado en las versiones mencionadas de Apache Hadoop."
}
],
"lastModified": "2026-06-17T01:17:38.893",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:apache:hadoop:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "8FD2F650-257B-49ED-80EE-DCF20088D3EB",
"versionEndIncluding": "2.6.5"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "security@apache.org"
}