CVE-2017-3162
Improper Input Validation in Apache Hadoop
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2017-3162- CVSS 3.0
- 7.3 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2017-3162- Updated
- 2026-11-02
EUVDEUVD-2022-4816 No score
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.
- Record
EUVD-2022-4816- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pr9x-qmp5-j3rr
Improper Input Validation in Apache Hadoop
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.
- Record
GHSA-pr9x-qmp5-j3rr- CVSS 3.0
- 7.3 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - Weakness
- CWE-20
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2017-3162- CVSS 3.0
- 7.3 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - Updated
- 2026-11-02
OSVGHSA-pr9x-qmp5-j3rr
Improper Input Validation in Apache Hadoop
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.
- Record
GHSA-pr9x-qmp5-j3rr- CVSS 3.0
- 7.3 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.apache.hadoop:hadoop-clientMaven |
through 2.6.5 | 2.7.0 |
org.apache.hadoop:hadoop-clientMaven |
before 2.7.0, plus listed versions 0.23.10.23.100.23.110.23.30.23.4 Show 36 moreShow less0.23.50.23.60.23.70.23.80.23.91.0.11.0.21.0.31.0.41.1.01.1.11.1.21.2.01.2.12.0.0-alpha2.0.1-alpha2.0.2-alpha2.0.3-alpha2.0.4-alpha2.0.5-alpha2.0.6-alpha2.1.0-beta2.1.1-beta2.2.02.3.02.4.02.4.12.5.02.5.12.5.22.6.02.6.12.6.22.6.32.6.42.6.5 |
2.7.0 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-3162 is a high vulnerability (CVSS 7.3) in Apache Hadoop, published April 26, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 6.42%, the 93rd percentile. Fixed in org.apache.hadoop:hadoop-client 2.7.0.
References
securityfocus.com/bid/98017
s.apache.org/k2ss
lists.apache.org/thread.html/r127f75748fcabc63bc5a1bec6885753eb9b2bed803b6ed7bd46f965b%40%3Cuser.hadoop.apache.org%3E
nvd.nist.gov/vuln/detail/CVE-2017-3162
github.com/advisories/GHSA-pr9x-qmp5-j3rr