XSS in Elastic Elasticsearch X-Pack
CVE-2018-3823
X-Pack Machine Learning versions before 6.2.4 and 5.6.9 had a cross-site scripting (XSS) vulnerability. Users with manage_ml permissions could create jobs containing malicious data as part of their configuration that could allow the attacker to obtain sensitive information from or perform destructive actions on behalf of other ML users viewing the results of the jobs.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.006 (49.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Elastic Elasticsearch X-Pack
- Elastic Elasticsearch X-Pack Machine Learning — versions before 6.2.4 and 5.6.9
- Elastic Kibana X-Pack
- Elastic Logstash X-Pack
Weakness classification (CWE)
References
- discuss.elastic.co/t/elastic-stack-6-2-4-and-5-6-9-security-update/128422 (Vendor Advisory)
- www.elastic.co/community/security (Vendor Advisory)
Frequently asked questions
- What is CVE-2018-3823?
- CVE-2018-3823 is a medium-severity vulnerability in Elastic Elasticsearch X-Pack, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2018-09-19.
- How severe is CVE-2018-3823?
- Medium severity. CVSS v3 base score is 5.4 out of 10.