High severity · published Oct 30, 2019
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
7.5
CVSS
2.1%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.1% · higher than 81% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LO
Logstash · Elastic
6.0.0 before 6.8.4; 7.0.0 before 7.4.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-7620
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-7620
Vendor Advisory
https://discuss.elastic.co/t/elastic-stack-6-8-4-security-update/204908
Vendor Advisory
https://discuss.elastic.co/t/elastic-stack-7-4-1-security-update/204909
Vendor Advisory
https://www.elastic.co/community/security
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