CVE-2008-3858

The Downlevel DB2RA Support component in IBM DB2 9.1 before Fixpak 4a allows remote attackers to cause a denial of service (instance crash) via a crafted CONNECT data stream that simulates a V7 client connect request.

Published: 2008-08-28 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2008-3858 is rated Moderate Risk (44.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.86%). Review affected assets and schedule 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-2008-3858

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 1.00% 1.86% +0.86%
2 2025-06-26 0.94% 1.00% +0.06%
3 2025-03-17 — 0.94% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2008-3858

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2008-3858

Affected software / configurations for CVE-2008-3858

Vendor Product Version Raw CPE
ibm db2_universal_database 9.1 cpe:2.3:a:ibm:db2_universal_database:9.1:*:aix:*:*:*:*:*
ibm db2_universal_database 9.1 cpe:2.3:a:ibm:db2_universal_database:9.1:*:hp_ux:*:*:*:*:*
ibm db2_universal_database 9.1 cpe:2.3:a:ibm:db2_universal_database:9.1:*:linux:*:*:*:*:*
ibm db2_universal_database 9.1 cpe:2.3:a:ibm:db2_universal_database:9.1:*:solaris:*:*:*:*:*
ibm db2_universal_database 9.1 cpe:2.3:a:ibm:db2_universal_database:9.1:*:windows:*:*:*:*:*
ibm db2_universal_database 9.1 cpe:2.3:a:ibm:db2_universal_database:9.1:fp2:aix:*:*:*:*:*
ibm db2_universal_database 9.1 cpe:2.3:a:ibm:db2_universal_database:9.1:fp2:hp-ux:*:*:*:*:*
ibm db2_universal_database 9.1 cpe:2.3:a:ibm:db2_universal_database:9.1:fp2:linux:*:*:*:*:*
ibm db2_universal_database 9.1 cpe:2.3:a:ibm:db2_universal_database:9.1:fp2:solaris:*:*:*:*:*
ibm db2_universal_database 9.1 cpe:2.3:a:ibm:db2_universal_database:9.1:fp2:windows:*:*:*:*:*
ibm db2_universal_database 9.1 cpe:2.3:a:ibm:db2_universal_database:9.1:fp3:aix:*:*:*:*:*
ibm db2_universal_database 9.1 cpe:2.3:a:ibm:db2_universal_database:9.1:fp3:hp-ux:*:*:*:*:*
ibm db2_universal_database 9.1 cpe:2.3:a:ibm:db2_universal_database:9.1:fp3:linux:*:*:*:*:*
ibm db2_universal_database 9.1 cpe:2.3:a:ibm:db2_universal_database:9.1:fp3:solaris:*:*:*:*:*
ibm db2_universal_database 9.1 cpe:2.3:a:ibm:db2_universal_database:9.1:fp3:windows:*:*:*:*:*
ibm db2_universal_database 9.1 cpe:2.3:a:ibm:db2_universal_database:9.1:fp4:aix:*:*:*:*:*
ibm db2_universal_database 9.1 cpe:2.3:a:ibm:db2_universal_database:9.1:fp4:hp-ux:*:*:*:*:*
ibm db2_universal_database 9.1 cpe:2.3:a:ibm:db2_universal_database:9.1:fp4:linux:*:*:*:*:*
ibm db2_universal_database 9.1 cpe:2.3:a:ibm:db2_universal_database:9.1:fp4:solaris:*:*:*:*:*
ibm db2_universal_database 9.1 cpe:2.3:a:ibm:db2_universal_database:9.1:fp4:windows:*:*:*:*:*
ibm db2_universal_database 9.1 cpe:2.3:a:ibm:db2_universal_database:9.1:fp4a:aix:*:*:*:*:*

References for CVE-2008-3858

cvelogic Threat Intelligence