CVE-2006-3421

Exp

PHP remote file inclusion vulnerability in SmartSiteCMS 1.0 and earlier, when register_globals is enabled, allows remote attackers to execute arbitrary PHP code via the root parameter in (1) comment.php, (2) admin/comedit.php, (3) admin/test.php, (4) admin/index.php, and (5) admin/include/inc_adminfoot.php, a different set of vectors than CVE-2006-3162.

Published: 2006-07-06 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2006-3421 is rated High Exploit Risk (63.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 4.16%). 6 public exploit reference(s) are indexed (Exploit-DB). 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.

Public exploit references (Exploit-DB) for CVE-2006-3421

EDB-ID Source Kind Published Link
1974 exploit_db edb 2006-07-01 Exploit-DB ↗
1936 exploit_db edb 2006-06-20 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 ↗

Exploit prediction scoring system (EPSS) score for CVE-2006-3421

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 7.54% 4.16% -3.38%
2 2025-11-17 6.52% 7.54% +1.02%
3 2025-09-20 — 6.52% —

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-3421

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.1 2.0 MEDIUM
AV:N/AC:H/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:H)
Exploitation requires uncommon or highly specific conditions.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 4.9 6.4 [email protected]

Weakness enumeration for CVE-2006-3421

Affected software / configurations for CVE-2006-3421

Vendor Product Version Raw CPE
smartsitecms smartsitecms <= 1.0 cpe:2.3:a:smartsitecms:smartsitecms:*:*:*:*:*:*:*:*

References for CVE-2006-3421

cvelogic Threat Intelligence