CVE-2019-7620 json
Logstash versions before 7.4.1 and 6.8.4 contain a denial of service flaw in the Logstash Beats input plugin.
published 2019-10-30 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-17153
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.1%
- EPSS 2.1% chance of exploitation in 30 days, percentile 81%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- elastic logstash 6.8.4, 7.4.1
Exploit prediction
2.08% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Affected products
- Elastic Logstash
Classification
- Weakness
-
- CWE-400 Uncontrolled Resource Consumption
References
-
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
Sources
- CVE List CVE-2019-7620
- NVD CVE-2019-7620
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