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CVE-2009-4438

18
FAUCET Score

CVE-2009-4438 describes a privilege enforcement vulnerability in IBM DB2 versions 9.1, 9.5, and 9.7, specifically within its Query Compiler, Rewrite, and Optimizer component. This flaw allows authenticated attackers to access and manipulate data in sequence or global-variable objects without proper authorization. With a CVSS score of 6.5, it is considered a medium-severity vulnerability, requiring authenticated access but having low attack complexity, potentially leading to partial confidentiality, integrity, and availability impacts. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
9.1CPE matchmatch criteria
cpe:2.3:a:ibm:db2:9.1:fp1:*:*:*:*:*:*
9.1CPE matchmatch criteria
cpe:2.3:a:ibm:db2:9.1:fp2:*:*:*:*:*:*
9.1CPE matchmatch criteria
cpe:2.3:a:ibm:db2:9.1:fp3:*:*:*:*:*:*
9.1CPE matchmatch criteria
cpe:2.3:a:ibm:db2:9.1:fp3a:*:*:*:*:*:*
9.1CPE matchmatch criteria
cpe:2.3:a:ibm:db2:9.1:fp4:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.5MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Exploitability Score
8.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.57%
Probability of exploitation in next 30 days
EPSS Percentile
72.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0157 is in the 86th percentile among its peer group of 21,974 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

ftp.software.ibm.com / ps/products/db2/fixes/english-us/aparlist/db2_v95/APARLIST.TXT
secunia.com / advisories/37759
Vendor Advisory
www-01.ibm.com / support/docview.wss
Vendor Advisory
www-01.ibm.com / support/docview.wss
Vendor Advisory
www-01.ibm.com / support/docview.wss
Vendor Advisory
www-01.ibm.com / support/docview.wss
Patch
www-01.ibm.com / support/docview.wss
Vendor Advisory
securityfocus.com / bid/37332
vupen.com / english/advisories/2009/3520
PatchVendor Advisory