An SQL injection vulnerability was found in Cloudera Data Science Workbench (CDSW) 1.4.0 through 1.4.2. This would allow any authenticated user to run arbitrary queries against CDSW's internal database. The database contains user contact information, encrypted CDSW passwords (in the case of local authentication), API keys, and stored Kerberos keytabs.
Conclusion & alert: CVE-2018-20091 is rated Moderate Risk (60.2/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.01%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.86% | 1.01% | +0.14% |
| 2 | 2025-09-30 | 1.03% | 0.86% | -0.16% |
| 3 | 2025-09-11 | — | 1.03% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.9 | 3.0 | CRITICAL |
|
3.1 | 6.0 | [email protected] |
| 6.5 | 2.0 | MEDIUM |
|
8.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| cloudera | data_science_workbench | >= 1.4.0, <= 1.4.2 | cpe:2.3:a:cloudera:data_science_workbench:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.cloudera.com/documentation/other/security-bulletins/topics/Security-Bulletin.html | Patch Vendor Advisory |
| https://www.cloudera.com/products/data-science-and-engineering/data-science-workbench.html | Product Vendor Advisory |