stap-server in SystemTap before 1.1 allows remote attackers to execute arbitrary commands via shell metacharacters in stap command-line arguments in a request.
Conclusion & alert: CVE-2009-4273 is rated High Exploit Risk (87.5/100): CVSS Critical severity, with high exploitation likelihood (EPSS 22.40%, 96th percentile). 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 |
|---|---|---|---|---|
| 33535 | exploit_db | edb | 2010-01-15 | 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 | 2026-04-14 | 23.40% | 22.40% | -1.00% |
| 2 | 2026-02-03 | 20.18% | 23.40% | +3.22% |
| 3 | 2025-03-30 | — | 20.18% | — |
Full EPSS history (12 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 |
|---|---|---|---|
debian
|
not yet assigned | CVE-2009-4273 not yet assigned priority: Debian including 1 source packages (systemtap), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2009-4273 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2009-4273 |
suse
|
critical | CVE-2009-4273 severity critical: SUSE including 48 source package names (systemtap-0.7.1-42.5.1, systemtap-1.0-0.15.16, …), 60 product×package rows across 25 product lines (SUSE Linux Enterprise High Performance Computing 12 SP5, SUSE Linux Enterprise Module for Development Tools 15, … (25 product lines)): Fixed 60. | https://www.suse.com/security/cve/CVE-2009-4273/ |
ubuntu
|
medium | CVE-2009-4273 medium priority: Ubuntu including 1 source packages (systemtap), 13 status rows across 13 suites (dapper, hardy, intrepid, jaunty, karmic, lucid, maverick, natty, oneiric, precise, quantal, raring, upstream): ignored 8, not-affected 3, DNE 1, released 1. | https://ubuntu.com/security/CVE-2009-4273 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| systemtap | systemtap | <= 1.0 | cpe:2.3:a:systemtap:systemtap:*:*:*:*:*:*:*:* |
| systemtap | systemtap | 0.2.2 | cpe:2.3:a:systemtap:systemtap:0.2.2:*:*:*:*:*:*:* |
| systemtap | systemtap | 0.3 | cpe:2.3:a:systemtap:systemtap:0.3:*:*:*:*:*:*:* |
| systemtap | systemtap | 0.4 | cpe:2.3:a:systemtap:systemtap:0.4:*:*:*:*:*:*:* |
| systemtap | systemtap | 0.5 | cpe:2.3:a:systemtap:systemtap:0.5:*:*:*:*:*:*:* |
| systemtap | systemtap | 0.5.3 | cpe:2.3:a:systemtap:systemtap:0.5.3:*:*:*:*:*:*:* |
| systemtap | systemtap | 0.5.4 | cpe:2.3:a:systemtap:systemtap:0.5.4:*:*:*:*:*:*:* |
| systemtap | systemtap | 0.5.5 | cpe:2.3:a:systemtap:systemtap:0.5.5:*:*:*:*:*:*:* |
| systemtap | systemtap | 0.5.7 | cpe:2.3:a:systemtap:systemtap:0.5.7:*:*:*:*:*:*:* |
| systemtap | systemtap | 0.5.8 | cpe:2.3:a:systemtap:systemtap:0.5.8:*:*:*:*:*:*:* |
| systemtap | systemtap | 0.5.9 | cpe:2.3:a:systemtap:systemtap:0.5.9:*:*:*:*:*:*:* |
| systemtap | systemtap | 0.5.10 | cpe:2.3:a:systemtap:systemtap:0.5.10:*:*:*:*:*:*:* |
| systemtap | systemtap | 0.5.12 | cpe:2.3:a:systemtap:systemtap:0.5.12:*:*:*:*:*:*:* |
| systemtap | systemtap | 0.5.13 | cpe:2.3:a:systemtap:systemtap:0.5.13:*:*:*:*:*:*:* |
| systemtap | systemtap | 0.5.14 | cpe:2.3:a:systemtap:systemtap:0.5.14:*:*:*:*:*:*:* |
| systemtap | systemtap | 0.6 | cpe:2.3:a:systemtap:systemtap:0.6:*:*:*:*:*:*:* |
| systemtap | systemtap | 0.6.2 | cpe:2.3:a:systemtap:systemtap:0.6.2:*:*:*:*:*:*:* |
| systemtap | systemtap | 0.7 | cpe:2.3:a:systemtap:systemtap:0.7:*:*:*:*:*:*:* |
| systemtap | systemtap | 0.7.2 | cpe:2.3:a:systemtap:systemtap:0.7.2:*:*:*:*:*:*:* |
| systemtap | systemtap | 0.8 | cpe:2.3:a:systemtap:systemtap:0.8:*:*:*:*:*:*:* |
| systemtap | systemtap | 0.9 | cpe:2.3:a:systemtap:systemtap:0.9:*:*:*:*:*:*:* |
| systemtap | systemtap | 0.9.5 | cpe:2.3:a:systemtap:systemtap:0.9.5:*:*:*:*:*:*:* |
| systemtap | systemtap | 0.9.7 | cpe:2.3:a:systemtap:systemtap:0.9.7:*:*:*:*:*:*:* |
| systemtap | systemtap | 0.9.8 | cpe:2.3:a:systemtap:systemtap:0.9.8:*:*:*:*:*:*:* |
| systemtap | systemtap | 0.9.9 | cpe:2.3:a:systemtap:systemtap:0.9.9:*:*:*:*:*:*:* |