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CVE-2012-4857

30
FAUCET Score

CVE-2012-4857 describes a buffer overflow vulnerability in IBM Informix versions 11.50 through 11.50.xC9W2 and 11.70 before 11.70.xC7. This flaw allows remote authenticated users to execute arbitrary code by submitting a specially crafted SQL statement. With a CVSS score of 9.0, this vulnerability is critical, requiring only authentication for a network-based attack that can lead to complete compromise of confidentiality, integrity, and availability. Despite its high severity, there is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
11.50CPE matchmatch criteria
cpe:2.3:a:ibm:informix_dynamic_server:11.50:*:*:*:*:*:*:*
11.50.xc1CPE matchmatch criteria
cpe:2.3:a:ibm:informix_dynamic_server:11.50.xc1:*:*:*:*:*:*:*
11.50.xc2CPE matchmatch criteria
cpe:2.3:a:ibm:informix_dynamic_server:11.50.xc2:*:*:*:*:*:*:*
11.50.xc3CPE matchmatch criteria
cpe:2.3:a:ibm:informix_dynamic_server:11.50.xc3:*:*:*:*:*:*:*
11.50.xc3w1CPE matchmatch criteria
cpe:2.3:a:ibm:informix_dynamic_server:11.50.xc3w1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.0HIGH

AV:N/AC:L/Au:S/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Exploitability Score
8.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
4.58%
Probability of exploitation in next 30 days
EPSS Percentile
90.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0459 is in the 90th percentile among its peer group of 17,823 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

exchange.xforce.ibmcloud.com / vulnerabilities/79737
ibm.com / support/docview.wss
Vendor Advisory
securitytracker.com / id