The PORTAL schema in Oracle Application Server (OracleAS) Discussion Forum Portlet allows remote attackers to obtain the source code for arbitrary JSP and other files via a df_next_page parameter with a trailing null byte (%00).
Conclusion & alert: CVE-2005-4550 is rated High Exploit Risk (68.4/100): CVSS Medium severity, with high exploitation likelihood (EPSS 6.09%, 92th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.01% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 26972 | exploit_db | edb | 2005-12-23 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 2026-06-16 | 5.08% | 6.09% | +1.01% |
| 2 | 2026-06-15 | 51.37% | 5.08% | -46.28% |
| 3 | 2026-01-23 | — | 51.37% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| oracle | application_server_discussion_forum_portlet | — | cpe:2.3:a:oracle:application_server_discussion_forum_portlet:*:*:*:*:*:*:*:* |