What’s Vulnerable › Vulnerabilities

CVE-2016-1000221

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-06-16 · updated 2026-06-17
• Weakness: CWE-200

Description

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

Affected products

• Elastic Logstash: through 2.3.3

References

• http://www.securityfocus.com/bid/99126
• https://www.elastic.co/community/security
• http://www.securityfocus.com/bid/99126
• https://www.elastic.co/community/security

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