CVE-2016-1000221

mediumpriority · track · 31EPSS 0.018 · 78 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.78% (78th) EPSS

CVSS 5 · medium

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-28

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

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · OSV

v3.06.9mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-200USprimaryCWE-200US

affected products (3)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
elastic logstash≤ 2.3.3nvdUScpe:2.3:a:elastic:logstash:*:*:*:*:*:*:*:*
RubyGems logstash-core< 2.3.4osvUSpkg:gem/logstash-core

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-vcmm-ppqx-95chLogstash Logs Sensitive Information2022-05-14ghsa · osvUS
Logstash prior to version 2.3.4, Elasticsearch Output plugin would log to file HTTP authorization headers which could contain sensitive information.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2017-06-16modified 2026-06-17

related (19,463)

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+19458 more

references (5)

External citations — patches, advisories, analysis.

https://www.elastic.co/community/security cnnvd
http://www.securityfocus.com/bid/99126 enisa_euvd
https://www.elastic.co/community/security enisa_euvd
http://www.securityfocus.com/bid/99126Third Party AdvisoryVDB Entrynvd
https://www.elastic.co/community/securityVendor Advisorynvd

scry

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