CVE-2016-5001
Exposure of Sensitive Information to an Unauthorized Actor in Apache Hadoop
This is an information disclosure vulnerability in Apache Hadoop before 2.6.4 and 2.7.x before 2.7.2 in the short-circuit reads feature of HDFS. A local user on an HDFS DataNode may be able to craft a block token that grants unauthorized read access to random files by guessing certain fields in the token.
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
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
This is an information disclosure vulnerability in Apache Hadoop before 2.6.4 and 2.7.x before 2.7.2 in the short-circuit reads feature of HDFS. A local user on an HDFS DataNode may be able to craft a block token that grants unauthorized read access to random files by guessing certain fields in the token.
- Record
CVE-2016-5001- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
CVE List No score
This is an information disclosure vulnerability in Apache Hadoop before 2.6.4 and 2.7.x before 2.7.2 in the short-circuit reads feature of HDFS. A local user on an HDFS DataNode may be able to craft a block token that grants unauthorized read access to random files by guessing certain fields in the token.
- Record
CVE-2016-5001- Updated
- 2026-11-02
EUVDEUVD-2022-3221 No score
This is an information disclosure vulnerability in Apache Hadoop before 2.6.4 and 2.7.x before 2.7.2 in the short-circuit reads feature of HDFS. A local user on an HDFS DataNode may be able to craft a block token that grants unauthorized read access to random files by guessing certain fields in the token.
- Record
EUVD-2022-3221- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8r28-r8cp-g6cp
Exposure of Sensitive Information to an Unauthorized Actor in Apache Hadoop
This is an information disclosure vulnerability in Apache Hadoop before 2.6.4 and 2.7.x before 2.7.2 in the short-circuit reads feature of HDFS. A local user on an HDFS DataNode may be able to craft a block token that grants unauthorized read access to random files by guessing certain fields in the token.
- Record
GHSA-8r28-r8cp-g6cp- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
OSV
This is an information disclosure vulnerability in Apache Hadoop before 2.6.4 and 2.7.x before 2.7.2 in the short-circuit reads feature of HDFS. A local user on an HDFS DataNode may be able to craft a block token that grants unauthorized read access to random files by guessing certain fields in the token.
- Record
CVE-2016-5001- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVGHSA-8r28-r8cp-g6cp
Exposure of Sensitive Information to an Unauthorized Actor in Apache Hadoop
This is an information disclosure vulnerability in Apache Hadoop before 2.6.4 and 2.7.x before 2.7.2 in the short-circuit reads feature of HDFS. A local user on an HDFS DataNode may be able to craft a block token that grants unauthorized read access to random files by guessing certain fields in the token.
- Record
GHSA-8r28-r8cp-g6cp- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.apache.hadoop:hadoop-commonMaven |
through 2.6.3 | 2.6.4 |
org.apache.hadoop:hadoop-commonMaven |
2.7.0 to 2.7.1 | 2.7.2 |
org.apache.hadoop:hadoop-commonMaven |
before 2.6.4, plus listed versions 0.22.00.23.10.23.100.23.110.23.3 Show 26 moreShow less0.23.40.23.50.23.60.23.70.23.80.23.92.0.0-alpha2.0.1-alpha2.0.2-alpha2.0.3-alpha2.0.4-alpha2.0.5-alpha2.0.6-alpha2.1.0-beta2.1.1-beta2.2.02.3.02.4.02.4.12.5.02.5.12.5.22.6.02.6.12.6.22.6.3 |
2.6.4 |
org.apache.hadoop:hadoop-commonMaven |
2.7.0 up to 2.7.2, plus listed versions 2.7.1 |
2.7.2 |
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-2016-5001 is a medium vulnerability (CVSS 5.5) in Apache Hadoop, published August 30, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.70%, the 53rd percentile. Fixed in org.apache.hadoop:hadoop-common 2.6.4.
References
securityfocus.com/bid/94950
seclists.org/oss-sec/2016/q4/698
lists.apache.org/thread.html/r66de86b9a608c1da70b2d27d765c11ec88edf6e5dd6f379ab33e072a%40%3Cuser.flink.apache.org%3E
nvd.nist.gov/vuln/detail/CVE-2016-5001
github.com/advisories/GHSA-8r28-r8cp-g6cp