The HTTP Inspect preprocessor (http_inspect) in Snort 2.4.0 through 2.4.4 allows remote attackers to bypass "uricontent" rules via a carriage return (\r) after the URL and before the HTTP declaration.
Conclusion & alert: CVE-2006-2769 is rated High Exploit Risk (63.3/100): CVSS Medium severity, with high exploitation likelihood (EPSS 10.62%, 95th percentile). Core evidence: 5 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 |
|---|---|---|---|---|
| 27931 | exploit_db | edb | 2006-05-31 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | 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 | 2026-06-15 | 22.77% | 10.62% | -12.15% |
| 2 | 2025-12-15 | 20.56% | 22.77% | +2.21% |
| 3 | 2025-10-13 | — | 20.56% | — |
Full EPSS history (19 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
|
low | CVE-2006-2769 low priority: Ubuntu including 1 source packages (snort), 9 status rows across 9 suites (dapper, edgy, feisty, gutsy, hardy, intrepid, jaunty, karmic, upstream): released 6, ignored 2, needs-triage 1. | https://ubuntu.com/security/CVE-2006-2769 |
: This vulnerability is addressed in the following product release: Snort, 2.4.4 source with uricontent patch
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| sourcefire | snort | 2.4 | cpe:2.3:a:sourcefire:snort:2.4:*:*:*:*:*:*:* |
| sourcefire | snort | 2.4.1 | cpe:2.3:a:sourcefire:snort:2.4.1:*:*:*:*:*:*:* |
| sourcefire | snort | 2.4.2 | cpe:2.3:a:sourcefire:snort:2.4.2:*:*:*:*:*:*:* |
| sourcefire | snort | 2.4.3 | cpe:2.3:a:sourcefire:snort:2.4.3:*:*:*:*:*:*:* |
| sourcefire | snort | 2.4.4 | cpe:2.3:a:sourcefire:snort:2.4.4:*:*:*:*:*:*:* |