Information disclosure in Elastic Kibana
CVE-2021-37939
It was discovered that Kibana’s JIRA connector & IBM Resilient connector could be used to return HTTP response data on internal hosts, which may be intentionally hidden from public view. Using this vulnerability, a malicious user with the ability to create connectors, could utilize these connectors to view limited HTTP response data on hosts accessible to the cluster.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.005 (37.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.000
Affected products
- Elastic Kibana — versions All versions from 7.8.0 through 7.15.1
Weakness classification (CWE)
References
- discuss.elastic.co/t/kibana-7-15-2-security-update/288923 (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-37939?
- CVE-2021-37939 is a low-severity vulnerability in Elastic Kibana, classified under Information Disclosure. CVSS score: 2.7/10. Published 2021-11-18.
- How severe is CVE-2021-37939?
- Low severity. CVSS v3 base score is 2.7 out of 10.