Directory traversal vulnerability in login.php in OneOrZero Helpdesk 1.6.5.7 and earlier allows remote attackers to read arbitrary files via a .. (dot dot) in the default_language parameter.
Conclusion & alert: CVE-2009-0886 is rated High Exploit Risk (66.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.82%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). 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 |
|---|---|---|---|---|
| 8168 | exploit_db | edb | 2009-03-06 | 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 | 2026-05-02 | 3.47% | 3.82% | +0.35% |
| 2 | 2026-03-12 | 3.12% | 3.47% | +0.35% |
| 3 | 2026-01-29 | — | 3.12% | — |
Full EPSS history (15 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 |
|---|---|---|---|
| oneorzero | oneorzero_helpdesk | <= 1.6.5.7 | cpe:2.3:a:oneorzero:oneorzero_helpdesk:*:*:*:*:*:*:*:* |
| oneorzero | oneorzero_helpdesk | 1.4_rc4 | cpe:2.3:a:oneorzero:oneorzero_helpdesk:1.4_rc4:*:*:*:*:*:*:* |
| oneorzero | oneorzero_helpdesk | 1.6 | cpe:2.3:a:oneorzero:oneorzero_helpdesk:1.6:*:*:*:*:*:*:* |
| oneorzero | oneorzero_helpdesk | 1.6.3 | cpe:2.3:a:oneorzero:oneorzero_helpdesk:1.6.3:*:*:*:*:*:*:* |
| oneorzero | oneorzero_helpdesk | 1.6.3.0 | cpe:2.3:a:oneorzero:oneorzero_helpdesk:1.6.3.0:*:*:*:*:*:*:* |
| oneorzero | oneorzero_helpdesk | 1.6.4 | cpe:2.3:a:oneorzero:oneorzero_helpdesk:1.6.4:*:*:*:*:*:*:* |
| oneorzero | oneorzero_helpdesk | 1.6.4.1 | cpe:2.3:a:oneorzero:oneorzero_helpdesk:1.6.4.1:*:*:*:*:*:*:* |
| oneorzero | oneorzero_helpdesk | 1.6.4.2 | cpe:2.3:a:oneorzero:oneorzero_helpdesk:1.6.4.2:*:*:*:*:*:*:* |
| oneorzero | oneorzero_helpdesk | 1.6.5.3 | cpe:2.3:a:oneorzero:oneorzero_helpdesk:1.6.5.3:*:*:*:*:*:*:* |
| oneorzero | oneorzero_helpdesk | 1.6.5.4 | cpe:2.3:a:oneorzero:oneorzero_helpdesk:1.6.5.4:*:*:*:*:*:*:* |