CVE-2006-6508

Cross-site request forgery (CSRF) vulnerability in phpBB 2.0.21 allows remote authenticated users to send unauthorized messages as an arbitrary user via unspecified vectors. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.

Published: 2006-12-14 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2006-6508 is rated Moderate Risk (49.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.70%). Mandatory action: Review affected assets and schedule remediation.

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-2006-6508

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 2025-09-24 0.57% 0.70% +0.13%
2 2025-08-02 0.47% 0.57% +0.10%
3 2025-03-17 0.47%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-6508

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.0 2.0 MEDIUM
AV:N/AC:M/Au:S/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
6.8 6.4 [email protected]

Weakness enumeration for CVE-2006-6508

OS Trackers for CVE-2006-6508

vendor priority summary link
alpine CVE-2006-6508: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-2006-6508
ubuntu low CVE-2006-6508 low priority: Ubuntu including 1 source packages (phpbb2), 9 status rows across 9 suites (dapper, edgy, feisty, gutsy, hardy, intrepid, jaunty, karmic, upstream): released 4, DNE 2, ignored 2, needs-triage 1. https://ubuntu.com/security/CVE-2006-6508

Affected software / configurations for CVE-2006-6508

Vendor Product Version Raw CPE
phpbb_group phpbb 2.0.21 cpe:2.3:a:phpbb_group:phpbb:2.0.21:*:*:*:*:*:*:*

References for CVE-2006-6508

cvelogic Threat Intelligence