How severe is CVE-2017-3162?

CVE-2017-3162 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2017-3162 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-3162?

CVE-2017-3162 affects Apache Hadoop. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-3162?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-3162 published?

CVE-2017-3162 was published on 2017-04-26 and last updated on 2026-06-17.

CVE-2017-3162

CVE-2017-3162 is a high-severity vulnerability in Apache Hadoop with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Apache Hadoop
Published: 2017-04-26
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2017-3162?: 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.
How severe is CVE-2017-3162?: CVE-2017-3162 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2017-3162 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-3162?: CVE-2017-3162 affects Apache Hadoop. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-3162?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-3162 published?: CVE-2017-3162 was published on 2017-04-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apache:hadoop:*:*:*:*:*:*:*:*

More vulnerabilities in Apache Hadoop

CVE-2022-25168 — Critical (CVSS 9.8): Apache Hadoop's FileUtil.unTar(File, File) API does not escape the input file name before being passed to the shell. An…
CVE-2021-37404 — Critical (CVSS 9.8): There is a potential heap buffer overflow in Apache Hadoop libhdfs native code. Opening a file path provided by user…
CVE-2022-26612 — Critical (CVSS 9.8): In Apache Hadoop, The unTar function uses unTarUsingJava function on Windows and the built-in tar utility on Unix and…
CVE-2019-17195 — Critical (CVSS 9.8): Connect2id Nimbus JOSE+JWT before v7.9 can throw various uncaught exceptions while parsing a JWT, which could result in…
CVE-2017-15718 — Critical (CVSS 9.8): The YARN NodeManager in Apache Hadoop 2.7.3 and 2.7.4 can leak the password for credential store provider used by the…
CVE-2012-4449 — Critical (CVSS 9.8): Apache Hadoop before 0.23.4, 1.x before 1.0.4, and 2.x before 2.0.2 generate token passwords using a 20-bit secret when…

All CVEs affecting Apache Hadoop →

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →