Resource exhaustion in Elastic Logstash
CVE-2019-7620
Logstash versions before 7.4.1 and 6.8.4 contain a denial of service flaw in the Logstash Beats input plugin. An unauthenticated user who is able to connect to the port the Logstash beats input could send a specially crafted network packet that would cause Logstash to stop responding.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.021 (80.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.021 · change: +0.005
Affected products
- Elastic Logstash — versions before 7.4.1 and 6.8.4
Weakness classification (CWE)
References
- www.elastic.co/community/security (Vendor Advisory)
- discuss.elastic.co/t/elastic-stack-6-8-4-security-update/204908 (Vendor Advisory)
- discuss.elastic.co/t/elastic-stack-7-4-1-security-update/204909 (Vendor Advisory)
Frequently asked questions
- What is CVE-2019-7620?
- CVE-2019-7620 is a high-severity vulnerability in Elastic Logstash, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2019-10-30.
- How severe is CVE-2019-7620?
- High severity. CVSS v3 base score is 7.5 out of 10.