CVE-2016-5001

Name: CVE-2016-5001
Creator: NVD / NIST
Published: 2017-08-30T19:29:00.147+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.63%

Last modified Jun 17, 2026

CVE-2016-5001 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.63% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

0.63%

45.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Apache	Hadoop	<= 2.6.3
Apache	Hadoop	2.7.0
Apache	Hadoop	2.7.1

References

http://seclists.org/oss-sec/2016/q4/698Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/94950Third Party Advisory, VDB Entry
https://lists.apache.org/thread.html/r66de86b9a608c1da70b2d27d765c11ec88edf6e5dd6f379ab33e072a%40%3Cuser.flink.apache.org%3E
http://seclists.org/oss-sec/2016/q4/698Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/94950Third Party Advisory, VDB Entry
https://lists.apache.org/thread.html/r66de86b9a608c1da70b2d27d765c11ec88edf6e5dd6f379ab33e072a%40%3Cuser.flink.apache.org%3E

Timeline

Published: Aug 30, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-5001?

How severe is CVE-2016-5001?

Severity scoring for CVE-2016-5001 is pending analysis. The EPSS model estimates a 0.63% probability of exploitation in the next 30 days.

How do I fix CVE-2016-5001?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-5001?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST