How severe is CVE-2008-6506?

CVE-2008-6506 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2008-6506 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-6506?

CVE-2008-6506 primarily affects Phpbb. In total, 19 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-6506?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2008-6506 published?

CVE-2008-6506 was published on 2009-03-23 and last updated on 2026-06-16.

CVE-2008-6506

CVE-2008-6506 is a medium-severity vulnerability in Phpbb with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Phpbb
Published: 2009-03-23
Last modified: 2026-06-16

Description

Unspecified vulnerability in phpBB before 3.0.4 allows attackers to bypass intended access restrictions and activate de-activated accounts via unknown vectors.

Frequently asked questions

What is CVE-2008-6506?: Unspecified vulnerability in phpBB before 3.0.4 allows attackers to bypass intended access restrictions and activate de-activated accounts via unknown vectors.
How severe is CVE-2008-6506?: CVE-2008-6506 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2008-6506 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-6506?: CVE-2008-6506 primarily affects Phpbb. In total, 19 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-6506?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-6506 published?: CVE-2008-6506 was published on 2009-03-23 and last updated on 2026-06-16.

References

Affected products (19)

cpe:2.3:a:phpbb:phpbb:*:*:*:*:*:*:*:*
cpe:2.3:a:phpbb:phpbb:1.0:*:*:*:*:*:*:*
cpe:2.3:a:phpbb:phpbb:2.0:*:*:*:*:*:*:*
cpe:2.3:a:phpbb:phpbb:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:phpbb:phpbb:2.0.2:*:*:*:*:*:*:*
cpe:2.3:a:phpbb:phpbb:2.0.3:*:*:*:*:*:*:*
cpe:2.3:a:phpbb:phpbb:2.0.22:*:*:*:*:*:*:*
cpe:2.3:a:phpbb:phpbb:2.01:*:*:*:*:*:*:*
cpe:2.3:a:phpbb:phpbb:3.0:*:*:*:*:*:*:*
cpe:2.3:a:phpbb:phpbb:3.0:rc1:*:*:*:*:*:*
cpe:2.3:a:phpbb:phpbb:3.0:rc2:*:*:*:*:*:*
cpe:2.3:a:phpbb:phpbb:3.0:rc3:*:*:*:*:*:*
cpe:2.3:a:phpbb:phpbb:3.0:rc4:*:*:*:*:*:*
cpe:2.3:a:phpbb:phpbb:3.0:rc5:*:*:*:*:*:*
cpe:2.3:a:phpbb:phpbb:3.0:rc6:*:*:*:*:*:*
cpe:2.3:a:phpbb:phpbb:3.0:rc7:*:*:*:*:*:*
cpe:2.3:a:phpbb:phpbb:3.0:rc8:*:*:*:*:*:*
cpe:2.3:a:phpbb:phpbb:3.0.1:*:*:*:*:*:*:*
cpe:2.3:a:phpbb:phpbb:3.0.2:*:*:*:*:*:*:*

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