CVE-2012-4857

Buffer overflow in IBM Informix 11.50 through 11.50.xC9W2 and 11.70 before 11.70.xC7 allows remote authenticated users to execute arbitrary code via a crafted SQL statement.

Published: 2012-12-08 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2012-4857 is rated Moderate Risk (64.6/100): CVSS Critical severity, with high exploitation likelihood (EPSS 4.58%, 90th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2012-4857

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 7.64% 4.58% -3.06%
2 2025-08-31 7.28% 7.64% +0.37%
3 2025-03-30 — 7.28% —

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-4857

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.0 2.0 HIGH
AV:N/AC:L/Au:S/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 8.0 10.0 [email protected]

Weakness enumeration for CVE-2012-4857

Affected software / configurations for CVE-2012-4857

Vendor Product Version Raw CPE
ibm informix_dynamic_server 11.50 cpe:2.3:a:ibm:informix_dynamic_server:11.50:*:*:*:*:*:*:*
ibm informix_dynamic_server 11.50.xc1 cpe:2.3:a:ibm:informix_dynamic_server:11.50.xc1:*:*:*:*:*:*:*
ibm informix_dynamic_server 11.50.xc2 cpe:2.3:a:ibm:informix_dynamic_server:11.50.xc2:*:*:*:*:*:*:*
ibm informix_dynamic_server 11.50.xc3 cpe:2.3:a:ibm:informix_dynamic_server:11.50.xc3:*:*:*:*:*:*:*
ibm informix_dynamic_server 11.50.xc3w1 cpe:2.3:a:ibm:informix_dynamic_server:11.50.xc3w1:*:*:*:*:*:*:*
ibm informix_dynamic_server 11.50.xc4 cpe:2.3:a:ibm:informix_dynamic_server:11.50.xc4:*:*:*:*:*:*:*
ibm informix_dynamic_server 11.50.xc4w1 cpe:2.3:a:ibm:informix_dynamic_server:11.50.xc4w1:*:*:*:*:*:*:*
ibm informix_dynamic_server 11.50.xc5 cpe:2.3:a:ibm:informix_dynamic_server:11.50.xc5:*:*:*:*:*:*:*
ibm informix_dynamic_server 11.50.xc5w2 cpe:2.3:a:ibm:informix_dynamic_server:11.50.xc5w2:*:*:*:*:*:*:*
ibm informix_dynamic_server 11.50.xc5w3 cpe:2.3:a:ibm:informix_dynamic_server:11.50.xc5w3:*:*:*:*:*:*:*
ibm informix_dynamic_server 11.50.xc5w4 cpe:2.3:a:ibm:informix_dynamic_server:11.50.xc5w4:*:*:*:*:*:*:*
ibm informix_dynamic_server 11.50.xc6 cpe:2.3:a:ibm:informix_dynamic_server:11.50.xc6:*:*:*:*:*:*:*
ibm informix_dynamic_server 11.50.xc6w1 cpe:2.3:a:ibm:informix_dynamic_server:11.50.xc6w1:*:*:*:*:*:*:*
ibm informix_dynamic_server 11.50.xc6w2 cpe:2.3:a:ibm:informix_dynamic_server:11.50.xc6w2:*:*:*:*:*:*:*
ibm informix_dynamic_server 11.50.xc6w3 cpe:2.3:a:ibm:informix_dynamic_server:11.50.xc6w3:*:*:*:*:*:*:*
ibm informix_dynamic_server 11.50.xc6w4 cpe:2.3:a:ibm:informix_dynamic_server:11.50.xc6w4:*:*:*:*:*:*:*
ibm informix_dynamic_server 11.50.xc7 cpe:2.3:a:ibm:informix_dynamic_server:11.50.xc7:*:*:*:*:*:*:*
ibm informix_dynamic_server 11.50.xc7w1 cpe:2.3:a:ibm:informix_dynamic_server:11.50.xc7w1:*:*:*:*:*:*:*
ibm informix_dynamic_server 11.50.xc7w2 cpe:2.3:a:ibm:informix_dynamic_server:11.50.xc7w2:*:*:*:*:*:*:*
ibm informix_dynamic_server 11.50.xc7w3 cpe:2.3:a:ibm:informix_dynamic_server:11.50.xc7w3:*:*:*:*:*:*:*
ibm informix_dynamic_server 11.50.xc7w4 cpe:2.3:a:ibm:informix_dynamic_server:11.50.xc7w4:*:*:*:*:*:*:*
ibm informix_dynamic_server 11.50.xc8 cpe:2.3:a:ibm:informix_dynamic_server:11.50.xc8:*:*:*:*:*:*:*
ibm informix_dynamic_server 11.50.xc8w1 cpe:2.3:a:ibm:informix_dynamic_server:11.50.xc8w1:*:*:*:*:*:*:*
ibm informix_dynamic_server 11.50.xc8w2 cpe:2.3:a:ibm:informix_dynamic_server:11.50.xc8w2:*:*:*:*:*:*:*
ibm informix_dynamic_server 11.50.xc8w3 cpe:2.3:a:ibm:informix_dynamic_server:11.50.xc8w3:*:*:*:*:*:*:*
ibm informix_dynamic_server 11.50.xc8w4 cpe:2.3:a:ibm:informix_dynamic_server:11.50.xc8w4:*:*:*:*:*:*:*
ibm informix_dynamic_server 11.50.xc9 cpe:2.3:a:ibm:informix_dynamic_server:11.50.xc9:*:*:*:*:*:*:*
ibm informix_dynamic_server 11.70.xc1 cpe:2.3:a:ibm:informix_dynamic_server:11.70.xc1:*:*:*:*:*:*:*
ibm informix_dynamic_server 11.70.xc2 cpe:2.3:a:ibm:informix_dynamic_server:11.70.xc2:*:*:*:*:*:*:*
ibm informix_dynamic_server 11.70.xc3 cpe:2.3:a:ibm:informix_dynamic_server:11.70.xc3:*:*:*:*:*:*:*

References for CVE-2012-4857

cvelogic Threat Intelligence