How severe is CVE-2006-3203?

CVE-2006-3203 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2006-3203 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-3203?

CVE-2006-3203 primarily affects Ultimate Php Board. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2006-3203?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2006-3203 published?

CVE-2006-3203 was published on 2006-06-24 and last updated on 2026-06-16.

CVE-2006-3203

CVE-2006-3203 is a critical-severity vulnerability in Ultimate Php Board with a CVSS 2.0 base score of 10.0. 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-255.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-255
Affected product: Ultimate Php Board
Published: 2006-06-24
Last modified: 2026-06-16

Description

The installation of Ultimate PHP Board (UPB) 1.9.6 and earlier includes a default administrator login account and password, which allows remote attackers to gain privileges.

Frequently asked questions

What is CVE-2006-3203?: The installation of Ultimate PHP Board (UPB) 1.9.6 and earlier includes a default administrator login account and password, which allows remote attackers to gain privileges.
How severe is CVE-2006-3203?: CVE-2006-3203 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2006-3203 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-3203?: CVE-2006-3203 primarily affects Ultimate Php Board. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-3203?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2006-3203 published?: CVE-2006-3203 was published on 2006-06-24 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:a:ultimate_php_board:ultimate_php_board:1.8:*:*:*:*:*:*:*
cpe:2.3:a:ultimate_php_board:ultimate_php_board:1.8.2:*:*:*:*:*:*:*
cpe:2.3:a:ultimate_php_board:ultimate_php_board:1.9:*:*:*:*:*:*:*
cpe:2.3:a:ultimate_php_board:ultimate_php_board:1.9.6:*:*:*:*:*:*:*

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