Medium severity · published Aug 9, 2017
CVE-2015-5619
Logstash 1.4.x before 1.4.5 and 1.5.x before 1.5.4 with Lumberjack output or the Logstash forwarder does not validate SSL/TLS certificates from the Logstash server, which might…
5.9
CVSS
1.2%
EPSS
No
On KEV
Description
Logstash 1.4.x before 1.4.5 and 1.5.x before 1.5.4 with Lumberjack output or the Logstash forwarder does not validate SSL/TLS certificates from the Logstash server, which might allow attackers to obtain sensitive information via a man-in-the-middle attack.
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 68% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LO
Logstash · Elastic
1.4.0; 1.4.1; 1.4.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-5619
CVE.org
https://www.cve.org/CVERecord?id=CVE-2015-5619
Third Party Advisory
http://packetstormsecurity.com/files/133269/Logstash-1.5.3-Man-In-The-Middle.html
www.securityfocus.com
http://www.securityfocus.com/archive/1/536294/100/0/threaded
www.securityfocus.com
http://www.securityfocus.com/archive/1/536858/100/0/threaded
Third Party Advisory
http://www.securityfocus.com/bid/76455
Vendor Advisory
https://www.elastic.co/blog/logstash-1-5-4-and-1-4-5-released
More from Logstash
9.8
CVE-2026-33466
Improper Limitation of a Pathname to a Restricted Directory in Logstash Leading to Arbitrary File Write
9.8
CVE-2019-7612
A sensitive data disclosure flaw was found in the way Logstash versions before 5.6.15 and 6.6.1 logs malformed URLs
7.5
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
CVE-2015-5378
Logstash 1.5.x before 1.5.3 and 1.4.x before 1.4.4 allows remote attackers to read communications between Logstash Forwarder agent and Logstash server
7.5
CVE-2016-10363
Logstash versions prior to 2.3.3, when using the Netflow Codec plugin, a remote attacker crafting malicious Netflow v5, Netflow v9 or IPFIX packets could perform a denial of…
