Argument injection vulnerability in the traceroute function in Traceroute.php in the Net_Traceroute package before 0.21.2 for PEAR allows remote attackers to execute arbitrary shell commands via the host parameter. NOTE: some of these details are obtained from third party information.
Conclusion & alert: CVE-2009-4025 is rated High Risk (72.7/100): CVSS Critical severity, with high exploitation likelihood (EPSS 6.15%, 93th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize 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 | 5.80% | 6.15% | +0.35% |
| 2 | 2025-03-30 | 6.17% | 5.80% | -0.37% |
| 3 | 2025-03-29 | — | 6.17% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
gentoo
|
high | CVE-2009-4025: 1 GLSA(s) (200911-06), 1 atom(s) (dev-php/PEAR-Net_Traceroute); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2009-4025 |