Sensitive information in log files in Elasticsearch
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Partial Red Hat: 3 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-532.
Summary
Elasticsearch versions before 7.10.0 and 6.8.14 have an information disclosure issue when audit logging and the emit_request_body option is enabled. The Elasticsearch audit log could contain sensitive information such as password hashes or authentication tokens. This could allow an Elasticsearch administrator to view these details.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Elastic | Elasticsearch | before 7.10.0 and 6.8.14 | — | No fix listed | CNA |
| — | org.elasticsearch:elasticsearch (Maven) | before 6.8.14 | 6.8.14 | Patch available | GHSA-cqgv-256r-m9r8 |
| — | org.elasticsearch:elasticsearch (Maven) | 7.0.0 to before 7.10.0 | 7.10.0 | Patch available | GHSA-cqgv-256r-m9r8 |
- Elasticsearch VendorElastic Affected before 7.10.0 and 6.8.14 Fixed in — No fix listed CNA
- org.elasticsearch:elasticsearch (Maven) Vendor— Affected before 6.8.14 Fixed in 6.8.14 Patch available GHSA-cqgv-256r-m9r8
- org.elasticsearch:elasticsearch (Maven) Vendor— Affected 7.0.0 to before 7.10.0 Fixed in 7.10.0 Patch available GHSA-cqgv-256r-m9r8
Remediation
- Fix · GHSA-cqgv-256r-m9r8 org.elasticsearch:elasticsearch (Maven) Fixed in 6.8.14 Advisory →
- Fix · GHSA-cqgv-256r-m9r8 org.elasticsearch:elasticsearch (Maven) Fixed in 7.10.0 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Decision Manager 7 | Affected | No fix yet: Fix deferred |
| Red Hat JBoss Fuse 6 | Affected | No fix planned: Out of support scope |
| Red Hat Process Automation 7 | Affected | No fix yet: Fix deferred |
Not affected: 4 products
- Red Hat Fuse 7
- Red Hat Integration Camel K 1
- Red Hat OpenShift Container Platform 3.11
- Red Hat OpenShift Container Platform 4
Timeline
- 2026-10-02 Threatist record created from CVE-2020-7021
- 2026-10-03 Alias added: GHSA-cqgv-256r-m9r8
References
More Elasticsearch vulnerabilities
- TI-2015-01295 The Groovy scripting engine in Elasticsearch before 1.3.8 and 1.4.x before 1.4.3 allows… KEVCVSS 3.1CRITICAL 9.8
- TI-2014-02491 The default configuration in Elasticsearch before 1.2 enables dynamic scripting, which… KEVCVSS 3.1HIGH 8.1
- TI-2023-15037 Elasticsearch StackOverflow vulnerability CVSS 3.1HIGH 7.5
- TI-2021-05135 Information disclosure in Elasticsearch CVSS 3.1MEDIUM 6.5
- TI-2021-05136 All versions of Elastic Cloud Enterprise has the Elasticsearch “anonymous” user enabled… CVSS 3.1HIGH 7.5
- TI-2015-04530 Elasticsearch before 1.6.1 allows remote attackers to execute arbitrary code via… CVSS 3.0CRITICAL 9.8
Sources
- CVE-2020-7021 · CVE Program
- CVE-2020-7021 · NVD
- FIRST EPSS
- GHSA-cqgv-256r-m9r8 · GitHub Advisory Database · CC BY 4.0
- CVE-2020-7021 · Red Hat security data · CC BY 4.0
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