git_http_controller.rb in the redmine_git_hosting plugin for Redmine allows remote attackers to execute arbitrary commands via shell metacharacters in (1) the service parameter to info/refs, related to the get_info_refs function or (2) the reqfile argument to the file_exists function.
Conclusion & alert: CVE-2013-4663 is rated High Exploit Risk (73/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.94%). Core evidence: 1 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 |
|---|---|---|---|---|
| — | 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 | 2026-06-15 | 1.03% | 1.94% | +0.92% |
| 2 | 2025-03-30 | 1.10% | 1.03% | -0.07% |
| 3 | 2025-03-29 | — | 1.10% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| redmine | redmine_git_hosting_plugin | — | cpe:2.3:a:redmine:redmine_git_hosting_plugin:-:*:*:*:*:*:*:* |