CVE-2006-3855
CVE-2006-3855 is a medium-severity vulnerability in Ibm Informix Dynamic Server with a CVSS 2.0 base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 2.0 base score 6.5)
- EPSS exploit prediction: 2% (77th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Ibm Informix Dynamic Server
- Published:
- Last modified:
Description
The ifx_load_internal function in IBM Informix Dynamic Server (IDS) allows remote authenticated users to execute arbitrary C code via the DllMain or _init function in a library, aka "C code UDR."
Frequently asked questions
- What is CVE-2006-3855?
- The ifx_load_internal function in IBM Informix Dynamic Server (IDS) allows remote authenticated users to execute arbitrary C code via the DllMain or _init function in a library, aka "C code UDR."
- How severe is CVE-2006-3855?
- CVE-2006-3855 has a CVSS 2.0 base score of 6.5, rated medium severity.
- Is CVE-2006-3855 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2006-3855?
- CVE-2006-3855 primarily affects Ibm Informix Dynamic Server. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2006-3855?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2006-3855 published?
- CVE-2006-3855 was published on 2006-08-08 and last updated on 2026-06-16.
References
- http://secunia.com/advisories/21301
- http://www-1.ibm.com/support/docview.wss?uid=swg21242921
- http://www.databasesecurity.com/informix/DatabaseHackersHandbook-AttackingInformix.pdf
- http://www.osvdb.org/27689
- http://www.securityfocus.com/archive/1/443133/100/0/threaded
- http://www.securityfocus.com/archive/1/443184/100/0/threaded
- http://www.securityfocus.com/bid/19264
- http://www.vupen.com/english/advisories/2006/3077
- https://exchange.xforce.ibmcloud.com/vulnerabilities/28129
Affected products (8)
- cpe:2.3:a:ibm:informix_dynamic_server:9.4:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:informix_dynamic_server:9.40.tc5:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:informix_dynamic_server:9.40.uc1:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:informix_dynamic_server:9.40.uc2:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:informix_dynamic_server:9.40.uc3:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:informix_dynamic_server:9.40.uc5:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:informix_dynamic_server:10.0:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc3:*:*:*:*:*:*:*
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