Unspecified vulnerability in the Data Pump component in Oracle Database 9.2.0.8, 10.1.0.5, 10.2.0.3, and 11.1.0.6 has unknown impact and remote attack vectors related to KUPF$FILE_INT, aka DB11. NOTE: the previous information was obtained from the April 2008 CPU. Oracle has not commented on reliable researcher claims that DB11 is for a buffer overflow in the SYS.KUPF$FILE_INT.GET_FULL_FILENAME procedure.
Conclusion & alert: CVE-2008-1820 is rated Moderate Risk (44.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.08%). 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 | 1.25% | 2.08% | +0.84% |
| 2 | 2025-12-16 | 1.69% | 1.25% | -0.44% |
| 3 | 2025-06-06 | — | 1.69% | — |
Full EPSS history (14 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.0 | 2.0 | MEDIUM |
|
8.0 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| oracle | database_10g | 10.1.0.5 | cpe:2.3:a:oracle:database_10g:10.1.0.5:*:*:*:*:*:*:* |
| oracle | database_10g | 10.2.0.3 | cpe:2.3:a:oracle:database_10g:10.2.0.3:*:*:*:*:*:*:* |
| oracle | database_11g | 11.1.0.6 | cpe:2.3:a:oracle:database_11g:11.1.0.6:*:*:*:*:*:*:* |
| oracle | database_9i | 9.2.0.8 | cpe:2.3:a:oracle:database_9i:9.2.0.8:*:*:*:*:*:*:* |