CVE-2006-0450

Exp

phpBB 2.0.19 and earlier allows remote attackers to cause a denial of service (application crash) by (1) registering many users through profile.php or (2) using search.php to search in a certain way that confuses the database.

Published: 2006-01-27 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2006-0450 is rated High Exploit Risk (68.9/100): CVSS Medium severity, with high exploitation likelihood (EPSS 10.44%, 93th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.31% over the last day, indicating growing attacker interest. 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-2006-0450

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2006-0450

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 2026-02-25 9.13% 10.44% +1.31%
2 2025-11-30 6.02% 9.13% +3.10%
3 2025-08-28 — 6.02% —

Full EPSS history (16 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-0450

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P 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:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2006-0450

OS Trackers for CVE-2006-0450

vendor priority summary link
ubuntu negligible CVE-2006-0450 negligible priority: Ubuntu including 1 source packages (phpbb2), 9 status rows across 9 suites (dapper, edgy, feisty, gutsy, hardy, intrepid, jaunty, karmic, upstream): ignored 4, DNE 2, not-affected 2, released 1. https://ubuntu.com/security/CVE-2006-0450

Affected software / configurations for CVE-2006-0450

Vendor Product Version Raw CPE
phpbb_group phpbb 2.0.0 cpe:2.3:a:phpbb_group:phpbb:2.0.0:*:*:*:*:*:*:*
phpbb_group phpbb 2.0.1 cpe:2.3:a:phpbb_group:phpbb:2.0.1:*:*:*:*:*:*:*
phpbb_group phpbb 2.0.2 cpe:2.3:a:phpbb_group:phpbb:2.0.2:*:*:*:*:*:*:*
phpbb_group phpbb 2.0.3 cpe:2.3:a:phpbb_group:phpbb:2.0.3:*:*:*:*:*:*:*
phpbb_group phpbb 2.0.4 cpe:2.3:a:phpbb_group:phpbb:2.0.4:*:*:*:*:*:*:*
phpbb_group phpbb 2.0.5 cpe:2.3:a:phpbb_group:phpbb:2.0.5:*:*:*:*:*:*:*
phpbb_group phpbb 2.0.6 cpe:2.3:a:phpbb_group:phpbb:2.0.6:*:*:*:*:*:*:*
phpbb_group phpbb 2.0.6c cpe:2.3:a:phpbb_group:phpbb:2.0.6c:*:*:*:*:*:*:*
phpbb_group phpbb 2.0.6d cpe:2.3:a:phpbb_group:phpbb:2.0.6d:*:*:*:*:*:*:*
phpbb_group phpbb 2.0.7 cpe:2.3:a:phpbb_group:phpbb:2.0.7:*:*:*:*:*:*:*
phpbb_group phpbb 2.0.7a cpe:2.3:a:phpbb_group:phpbb:2.0.7a:*:*:*:*:*:*:*
phpbb_group phpbb 2.0.8 cpe:2.3:a:phpbb_group:phpbb:2.0.8:*:*:*:*:*:*:*
phpbb_group phpbb 2.0.8a cpe:2.3:a:phpbb_group:phpbb:2.0.8a:*:*:*:*:*:*:*
phpbb_group phpbb 2.0.9 cpe:2.3:a:phpbb_group:phpbb:2.0.9:*:*:*:*:*:*:*
phpbb_group phpbb 2.0.10 cpe:2.3:a:phpbb_group:phpbb:2.0.10:*:*:*:*:*:*:*
phpbb_group phpbb 2.0.11 cpe:2.3:a:phpbb_group:phpbb:2.0.11:*:*:*:*:*:*:*
phpbb_group phpbb 2.0.12 cpe:2.3:a:phpbb_group:phpbb:2.0.12:*:*:*:*:*:*:*
phpbb_group phpbb 2.0.13 cpe:2.3:a:phpbb_group:phpbb:2.0.13:*:*:*:*:*:*:*
phpbb_group phpbb 2.0.14 cpe:2.3:a:phpbb_group:phpbb:2.0.14:*:*:*:*:*:*:*
phpbb_group phpbb 2.0.15 cpe:2.3:a:phpbb_group:phpbb:2.0.15:*:*:*:*:*:*:*
phpbb_group phpbb 2.0.16 cpe:2.3:a:phpbb_group:phpbb:2.0.16:*:*:*:*:*:*:*
phpbb_group phpbb 2.0.17 cpe:2.3:a:phpbb_group:phpbb:2.0.17:*:*:*:*:*:*:*
phpbb_group phpbb 2.0.18 cpe:2.3:a:phpbb_group:phpbb:2.0.18:*:*:*:*:*:*:*
phpbb_group phpbb 2.0.19 cpe:2.3:a:phpbb_group:phpbb:2.0.19:*:*:*:*:*:*:*
phpbb_group phpbb 2.0_beta1 cpe:2.3:a:phpbb_group:phpbb:2.0_beta1:*:*:*:*:*:*:*
phpbb_group phpbb 2.0_rc1 cpe:2.3:a:phpbb_group:phpbb:2.0_rc1:*:*:*:*:*:*:*
phpbb_group phpbb 2.0_rc2 cpe:2.3:a:phpbb_group:phpbb:2.0_rc2:*:*:*:*:*:*:*
phpbb_group phpbb 2.0_rc3 cpe:2.3:a:phpbb_group:phpbb:2.0_rc3:*:*:*:*:*:*:*
phpbb_group phpbb 2.0_rc4 cpe:2.3:a:phpbb_group:phpbb:2.0_rc4:*:*:*:*:*:*:*

References for CVE-2006-0450

cvelogic Threat Intelligence