Improper authentication in floragunn Search Guard Kibana Plugin
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
Search Guard Kibana Plugin versions before 5.6.8-7 and before 6.x.y-12 had an issue that an authenticated Kibana user could impersonate as kibanaserver user when providing wrong credentials when all of the following conditions a-c are true: a) Kibana is configured to use Single-Sign-On as authentication method, one of Kerberos, JWT, Proxy, Client certificate. b) The kibanaserver user is configured to use HTTP Basic as the authentication method. c) Search Guard is configured to use an SSO authentication domain and HTTP Basic at the same time
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA Search Guard Kibana Plugin (floragunn) Fixed in 5.6.8-7, 6.x.y-12
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
floragunn Search Guard Kibana Plugin 5.6.8-7, 6.x.y-12
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2019-10091 Open redirect in floragunn Search Guard Kibana PluginPriority LOW 29
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 4 products
- Red Hat OpenShift Container Platform 3.10
- Red Hat OpenShift Container Platform 3.11
- Red Hat OpenShift Container Platform 3.9
- Red Hat OpenShift Container Platform 4
Timeline
- 2026-10-02 Threatist record created from CVE-2019-13423
- 2026-10-03 Alias added: GHSA-fxmc-8m6x-7f33
References
More floragunn Search Guard vulnerabilities
- TI-2019-10088 Search Guard versions before 23.1 had an issue that for aggregations clear text values of anonymised fields were leaked. CVSS 3.0HIGH 7.5
- TI-2019-10087 Search Guard versions before 24.0 had an issue that values of string arrays in documents are not properly anonymized. CVSS 3.1HIGH 7.5
- TI-2019-10085 Improper authorization in floragunn Search Guard CVSS 3.1MEDIUM 6.5
- TI-2019-10084 Search Guard versions before 24.3 had an issue when Cross Cluster Search (CCS) was… CVSS 3.1MEDIUM 6.5
- TI-2019-10091 Open redirect in floragunn Search Guard Kibana Plugin CVSS 3.0MEDIUM 6.1
- TI-2019-10089 Search Guard versions before 21.0 had an timing side channel issue when using the internal user database. CVSS 3.1MEDIUM 5.9
Sources
- CVE-2019-13423 · CVE Program
- CVE-2019-13423 · NVD
- FIRST EPSS
- GHSA-fxmc-8m6x-7f33 · GitHub Advisory Database · CC BY 4.0
- CVE-2019-13423 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences