CVE-2009-4467

Exp

misc.php in DeluxeBB 1.3 allows remote attackers to register accounts without a valid email address via a valemail action with the valmem set to a pre-assigned user ID, which is visible from a memberlist action.

Published: 2009-12-30 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-4467 is rated High Exploit Risk (60.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.73%). 3 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-2009-4467

EDB-ID Source Kind Published Link
10598 exploit_db edb 2009-12-22 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2009-4467

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 2026-05-14 0.83% 1.73% +0.90%
2 2025-03-30 0.90% 0.83% -0.07%
3 2025-03-29 — 0.90% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-4467

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.0 2.0 MEDIUM
AV:N/AC:L/Au:S/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 8.0 2.9 [email protected]

Weakness enumeration for CVE-2009-4467

Affected software / configurations for CVE-2009-4467

Vendor Product Version Raw CPE
deluxebb deluxebb 1.3 cpe:2.3:a:deluxebb:deluxebb:1.3:*:*:*:*:*:*:*

References for CVE-2009-4467

cvelogic Threat Intelligence