How severe is CVE-2004-2131?

CVE-2004-2131 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2004-2131 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2004-2131?

CVE-2004-2131 primarily affects Ibm Informix Dynamic Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2004-2131?

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-2004-2131 published?

CVE-2004-2131 was published on 2004-01-27 and last updated on 2026-06-16.

CVE-2004-2131

CVE-2004-2131 is a high-severity vulnerability in Ibm Informix Dynamic Server with a CVSS 2.0 base score of 7.2. 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 7.2)
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ibm Informix Dynamic Server
Published: 2004-01-27
Last modified: 2026-06-16

Description

Stack-based buffer overflow in ontape for IBM Informix Dynamic Server (IDS) 9.40.xC3 and earlier allows local users, with DSA privileges, to execute arbitrary code via a long ONCONFIG environment variable.

Frequently asked questions

What is CVE-2004-2131?: Stack-based buffer overflow in ontape for IBM Informix Dynamic Server (IDS) 9.40.xC3 and earlier allows local users, with DSA privileges, to execute arbitrary code via a long ONCONFIG environment variable.
How severe is CVE-2004-2131?: CVE-2004-2131 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2004-2131 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-2131?: CVE-2004-2131 primarily affects Ibm Informix Dynamic Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2004-2131?: 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-2004-2131 published?: CVE-2004-2131 was published on 2004-01-27 and last updated on 2026-06-16.

References

Affected products (3)

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_extended_parallel_server:8.40_uc1:*:*:*:*:*:*:*

More vulnerabilities in Ibm Informix Dynamic Server

CVE-2010-4070 — Critical (CVSS 10.0): Integer overflow in librpc.dll in portmap.exe (aka the ISM Portmapper service) in ISM before 2.20.TC1.117 in IBM…
CVE-2009-2754 — Critical (CVSS 10.0): Integer signedness error in the authentication functionality in librpc.dll in the Informix Storage Manager (ISM)…
CVE-2009-2753 — Critical (CVSS 10.0): Multiple buffer overflows in the authentication functionality in librpc.dll in the Informix Storage Manager (ISM)…
CVE-2008-0949 — Critical (CVSS 10.0): Unspecified vulnerability in IBM Informix Dynamic Server (IDS) 7.x through 11.x allows remote attackers to gain…
CVE-2008-0768 — Critical (CVSS 10.0): Multiple stack-based and heap-based buffer overflows in the Windows RPC components for IBM Informix Storage Manager…
CVE-2011-1033 — Critical (CVSS 9.3): Stack-based buffer overflow in oninit in IBM Informix Dynamic Server (IDS) 11.50 allows remote attackers to execute…

All CVEs affecting Ibm Informix Dynamic Server →