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CVE-2016-1000221

Logstash prior to version 2.3.4, Elasticsearch Output plugin would log to file HTTP authorization headers which could contain sensitive information.

Published: Jun 16, 2017Updated: May 13, 2026 Sources: CVE List NVD GHSACWE-200
NVD MITRE
7.5CVSSHIGH
EPSS Score
1.8%
Top 24.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Logstash Logs Sensitive Information

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-200

Affected Products

logstash-coreRubyGemsOSS Libraries
n/an/a
logstashelasticDatabases
rubygemspackage-ecosystemOSS Libraries
elasticcommercialUSDatabasesaka elasticsearch co., elastic.co

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://nvd.nist.gov/vuln/detail/CVE-2016-1000221
nvd.nist.gov
https://github.com/elastic/logstash/commit/0999050144adad7f4d99d43e561c2882fd7c512b
github.com
https://github.com/elastic/logstash
github.com
and 3 more references View all →

Timeline

Published
Jun 16, 2017
Last Updated
May 13, 2026

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