CVE-2005-3537

A "missing request validation" error in phpBB 2 before 2.0.18 allows remote attackers to edit private messages of other users, probably by modifying certain parameters or other inputs.

Published: 2005-12-22 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2005-3537 is rated Low Risk (39.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.38%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2005-3537

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 2025-03-17 0.58% 0.38% -0.21%
2 2024-11-28 0.88% 0.58% -0.29%
3 2024-09-17 0.88%

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-3537

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: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:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2005-3537

OS Trackers for CVE-2005-3537

vendor priority summary link
ubuntu medium CVE-2005-3537 medium priority: Ubuntu including 1 source packages (phpbb2), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): not-affected 3, needs-triage 1. https://ubuntu.com/security/CVE-2005-3537

Affected software / configurations for CVE-2005-3537

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_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-2005-3537

cvelogic Threat Intelligence