CVE-2017-3166
Moderate severity vulnerability that affects org.apache.hadoop:hadoop-main
In Apache Hadoop versions 2.6.1 to 2.6.5, 2.7.0 to 2.7.3, and 3.0.0-alpha1, if a file in an encryption zone with access permissions that make it world readable is localized via YARN's localization mechanism, that file will be stored in a world-readable location and can be shared freely with any application that requests to localize that file.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
7.8
In Apache Hadoop versions 2.6.1 to 2.6.5, 2.7.0 to 2.7.3, and 3.0.0-alpha1, if a file in an encryption zone with access permissions that make it world readable is localized via YARN's localization mechanism, that file will be stored in a world-readable location and can be shared freely with any application that requests to localize that file.
- Record
CVE-2017-3166- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-732
- Updated
- 2026-11-02
CVE List No score
In Apache Hadoop versions 2.6.1 to 2.6.5, 2.7.0 to 2.7.3, and 3.0.0-alpha1, if a file in an encryption zone with access permissions that make it world readable is localized via YARN's localization mechanism, that file will be stored in a world-readable location and can be shared freely with any application that requests to localize that file.
- Record
CVE-2017-3166- Updated
- 2026-11-02
EUVDEUVD-2018-0806 No score
In Apache Hadoop versions 2.6.1 to 2.6.5, 2.7.0 to 2.7.3, and 3.0.0-alpha1, if a file in an encryption zone with access permissions that make it world readable is localized via YARN's localization mechanism, that file will be stored in a world-readable location and can be shared freely with any application that requests to localize that file.
- Record
EUVD-2018-0806- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-99qr-9cc9-fv2x
7.8
Moderate severity vulnerability that affects org.apache.hadoop:hadoop-main
In Apache Hadoop versions 2.6.1 to 2.6.5, 2.7.0 to 2.7.3, and 3.0.0-alpha1, if a file in an encryption zone with access permissions that make it world readable is localized via YARN's localization mechanism, that file will be stored in a world-readable location and can be shared freely with any application that requests to localize that file.
- Record
GHSA-99qr-9cc9-fv2x- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-732
- Updated
- 2026-11-02
OSV
7.8
In Apache Hadoop versions 2.6.1 to 2.6.5, 2.7.0 to 2.7.3, and 3.0.0-alpha1, if a file in an encryption zone with access permissions that make it world readable is localized via YARN's localization mechanism, that file will be stored in a world-readable location and can be shared freely with any application that requests to localize that file.
- Record
CVE-2017-3166- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-99qr-9cc9-fv2x
7.8
Moderate severity vulnerability that affects org.apache.hadoop:hadoop-main
In Apache Hadoop versions 2.6.1 to 2.6.5, 2.7.0 to 2.7.3, and 3.0.0-alpha1, if a file in an encryption zone with access permissions that make it world readable is localized via YARN's localization mechanism, that file will be stored in a world-readable location and can be shared freely with any application that requests to localize that file.
- Record
GHSA-99qr-9cc9-fv2x- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-732
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.apache.hadoop:hadoop-mainMaven |
before 2.7.3 | 2.7.3 |
org.apache.hadoop:hadoop-mainMaven |
before 2.7.3, plus listed versions 0.23.10.23.100.23.110.23.30.23.4 Show 30 moreShow less0.23.50.23.60.23.70.23.80.23.92.0.0-alpha2.0.1-alpha2.0.2-alpha2.0.3-alpha2.0.4-alpha2.0.5-alpha2.0.6-alpha2.1.0-beta2.1.1-beta2.2.02.3.02.4.02.4.12.5.02.5.12.5.22.6.02.6.12.6.22.6.32.6.42.6.52.7.02.7.12.7.2 |
2.7.3 |
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-2017-3166 is a high vulnerability (CVSS 7.8) in Apache Hadoop, published November 13, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.32%, the 25th percentile. Fixed in org.apache.hadoop:hadoop-main 2.7.3.
References
lists.apache.org/thread.html/2e16689b44bdd1976b6368c143a4017fc7159d1f2d02a5d54fe9310f%40%3Cgeneral.hadoop.apache.org%3E
lists.apache.org/thread.html/9317fd092b257a0815434b116a8af8daea6e920b6673f4fd5583d5fe%40%3Ccommits.druid.apache.org%3E
nvd.nist.gov/vuln/detail/CVE-2017-3166
github.com/advisories/GHSA-99qr-9cc9-fv2x
lists.apache.org/thread.html/2e16689b44bdd1976b6368c143a4017fc7159d1f2d02a5d54fe9310f@%3Cgeneral.hadoop.apache.org%3E
lists.apache.org/thread.html/9317fd092b257a0815434b116a8af8daea6e920b6673f4fd5583d5fe@%3Ccommits.druid.apache.org%3E