What is CVE-2016-1000222?

CVE-2016-1000222 is a high-severity vulnerability in Elastic Logstash, classified under Argument Injection. CVSS score: 7.5/10. Published 2017-06-16.

How severe is CVE-2016-1000222?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Elastic Logstash

CVE-2016-1000222

Logstash prior to version 2.1.2, the CSV output can be attacked via engineered input that will create malicious formulas in the CSV data.

Published 2017-06-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.011 (65.0th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Elastic Logstash

Weakness classification (CWE)

CWE-88 — Argument Injection

References

www.elastic.co/community/security (Vendor Advisory)

Frequently asked questions

What is CVE-2016-1000222?: CVE-2016-1000222 is a high-severity vulnerability in Elastic Logstash, classified under Argument Injection. CVSS score: 7.5/10. Published 2017-06-16.
How severe is CVE-2016-1000222?: High severity. CVSS v3 base score is 7.5 out of 10.