How severe is CVE-2005-4156?

CVE-2005-4156 has a CVSS 2.0 base score of 9.4, rated critical severity.

Is CVE-2005-4156 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-4156?

CVE-2005-4156 primarily affects Mambo Mambo Open Source 4.5. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2005-4156?

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-2005-4156 published?

CVE-2005-4156 was published on 2005-12-11 and last updated on 2026-06-16.

CVE-2005-4156

CVE-2005-4156 is a critical-severity vulnerability in Mambo Mambo Open Source 4.5 with a CVSS 2.0 base score of 9.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 2.0 base score 9.4)
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Mambo Mambo Open Source 4.5
Published: 2005-12-11
Last modified: 2026-06-16

Description

Unspecified vulnerability in Mambo 4.5 (1.0.0) through 4.5 (1.0.9), with magic_quotes_gpc disabled, allows remote attackers to read arbitrary files and possibly cause a denial of service via a query string that ends with a NULL character.

Frequently asked questions

What is CVE-2005-4156?: Unspecified vulnerability in Mambo 4.5 (1.0.0) through 4.5 (1.0.9), with magic_quotes_gpc disabled, allows remote attackers to read arbitrary files and possibly cause a denial of service via a query string that ends with a NULL character.
How severe is CVE-2005-4156?: CVE-2005-4156 has a CVSS 2.0 base score of 9.4, rated critical severity.
Is CVE-2005-4156 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-4156?: CVE-2005-4156 primarily affects Mambo Mambo Open Source 4.5. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-4156?: 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-2005-4156 published?: CVE-2005-4156 was published on 2005-12-11 and last updated on 2026-06-16.

References

Affected products (6)

cpe:2.3:a:mambo:mambo_open_source_4.5:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:mambo:mambo_open_source_4.5:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:mambo:mambo_open_source_4.5:1.0.2:*:*:*:*:*:*:*
cpe:2.3:a:mambo:mambo_open_source_4.5:1.0.3:*:*:*:*:*:*:*
cpe:2.3:a:mambo:mambo_open_source_4.5:1.0.3_beta:*:*:*:*:*:*:*
cpe:2.3:a:mambo:mambo_open_source_4.5:1.0.9:*:*:*:*:*:*:*

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