admin/admin_disallow.php in phpBB 2.0.18 allows remote attackers to obtain the installation path via a direct request with a non-empty setmodules parameter, which causes an invalid append_sid function call that leaks the path in an error message.
Conclusion & alert: CVE-2005-4358 is rated Moderate Risk (46.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.26%). 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 | 2025-03-30 | 1.80% | 1.26% | -0.54% |
| 2 | 2025-03-29 | 1.26% | 1.80% | +0.54% |
| 3 | 2025-03-17 | — | 1.26% | — |
Full EPSS history (7 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 | priority | summary | link |
|---|---|---|---|
ubuntu
|
medium | CVE-2005-4358 medium priority: Ubuntu including 1 source packages (phpbb2), 9 status rows across 9 suites (dapper, edgy, feisty, gutsy, hardy, intrepid, jaunty, karmic, upstream): not-affected 5, DNE 2, ignored 1, released 1. | https://ubuntu.com/security/CVE-2005-4358 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| phpbb_group | phpbb | 2.0.18 | cpe:2.3:a:phpbb_group:phpbb:2.0.18:*:*:*:*:*:*:* |