How severe is CVE-2005-3642?

CVE-2005-3642 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2005-3642 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-3642?

CVE-2005-3642 primarily affects Ibm Informix Dynamic Database Server. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2005-3642?

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

When was CVE-2005-3642 published?

CVE-2005-3642 was published on 2005-11-16 and last updated on 2026-06-16.

CVE-2005-3642

CVE-2005-3642 is a high-severity vulnerability in Ibm Informix Dynamic Database Server with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ibm Informix Dynamic Database Server
Published: 2005-11-16
Last modified: 2026-06-16

Description

IBM Informix Dynamic Database server running on Windows XP with Simple File Sharing enabled, allows remote attackers to bypass authentication and log on to the guest account by supplying an invalid username.

Frequently asked questions

What is CVE-2005-3642?: IBM Informix Dynamic Database server running on Windows XP with Simple File Sharing enabled, allows remote attackers to bypass authentication and log on to the guest account by supplying an invalid username.
How severe is CVE-2005-3642?: CVE-2005-3642 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2005-3642 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-3642?: CVE-2005-3642 primarily affects Ibm Informix Dynamic Database Server. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-3642?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2005-3642 published?: CVE-2005-3642 was published on 2005-11-16 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:a:ibm:informix_dynamic_database_server:9.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:informix_dynamic_database_server:9.40.uc1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:informix_dynamic_database_server:9.40.uc2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:informix_dynamic_database_server:9.40.uc3:*:*:*:*:*:*:*

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