Vulnerability in Elastic Logstash
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 allow attackers to obtain sensitive information via a man-in-the-middle attack.
Vulnerability class: Improper Certificate Validation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.012 (67.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- Elastic Logstash — versions 1.4.0, 1.4.1, 1.4.2
- Elasticsearch Logstash — versions 1.4.3, 1.4.4, 1.5.0
Weakness classification (CWE)
References
- www.securityfocus.com/bid/76455 (VDB Entry, Third Party Advisory, vdb-entry)
- www.elastic.co/blog/logstash-1-5-4-and-1-4-5-released (Vendor Advisory)
- www.securityfocus.com/archive/1/536294/100/0/threaded (mailing-list)
- packetstormsecurity.com/files/133269/Logstash-1.5.3-Man-In-The-Middle.html (VDB Entry, Third Party Advisory)
- www.securityfocus.com/archive/1/536858/100/0/threaded (mailing-list)
Frequently asked questions
- What is CVE-2015-5619?
- CVE-2015-5619 is a medium-severity vulnerability in Elastic Logstash, classified under Improper Certificate Validation. CVSS score: 5.9/10. Published 2017-08-09.
- How severe is CVE-2015-5619?
- Medium severity. CVSS v3 base score is 5.9 out of 10.