CVE-2009-2753

Exp

Multiple buffer overflows in the authentication functionality in librpc.dll in the Informix Storage Manager (ISM) Portmapper service (aka portmap.exe), as used in IBM Informix Dynamic Server (IDS) 10.x before 10.00.TC9 and 11.x before 11.10.TC3, allow remote attackers to execute arbitrary code via a crafted parameter size.

Published: 2010-03-05 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-2753 is rated High Exploit Risk (93.8/100): CVSS Critical severity, with high exploitation likelihood (EPSS 30.50%, 97th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +13.71% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2009-2753

EDB-ID Source Kind Published Link
12109 exploit_db edb 2010-04-08 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2009-2753

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 2026-02-06 16.79% 30.50% +13.71%
2 2026-01-18 23.22% 16.79% -6.43%
3 2025-07-27 — 23.22% —

Full EPSS history (16 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-2753

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/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:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 10.0 [email protected]

Weakness enumeration for CVE-2009-2753

Affected software / configurations for CVE-2009-2753

Vendor Product Version Raw CPE
ibm informix_dynamic_server 10.0 cpe:2.3:a:ibm:informix_dynamic_server:10.0:*:*:*:*:*:*:*
ibm informix_dynamic_server 10.0.tc1 cpe:2.3:a:ibm:informix_dynamic_server:10.0.tc1:*:*:*:*:*:*:*
ibm informix_dynamic_server 10.0.xc1 cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc1:*:*:*:*:*:*:*
ibm informix_dynamic_server 10.0.xc2e cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc2e:*:*:*:*:*:*:*
ibm informix_dynamic_server 10.0.xc3 cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc3:*:*:*:*:*:*:*
ibm informix_dynamic_server 10.0.xc3e cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc3e:*:*:*:*:*:*:*
ibm informix_dynamic_server 10.0.xc4 cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc4:*:*:*:*:*:*:*
ibm informix_dynamic_server 10.0.xc4e cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc4e:*:*:*:*:*:*:*
ibm informix_dynamic_server 10.0.xc5 cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc5:*:*:*:*:*:*:*
ibm informix_dynamic_server 10.0.xc5e cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc5e:*:*:*:*:*:*:*
ibm informix_dynamic_server 10.0.xc6 cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc6:*:*:*:*:*:*:*
ibm informix_dynamic_server 10.0.xc6e cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc6e:*:*:*:*:*:*:*
ibm informix_dynamic_server 10.0.xc7 cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc7:*:*:*:*:*:*:*
ibm informix_dynamic_server 10.0.xc7e cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc7e:*:*:*:*:*:*:*
ibm informix_dynamic_server 10.0.xc8 cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc8:*:*:*:*:*:*:*
ibm informix_dynamic_server 10.0.xc8e cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc8e:*:*:*:*:*:*:*
ibm informix_dynamic_server 10.0.xc9 cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc9:*:*:*:*:*:*:*
ibm informix_dynamic_server 10.0.xc9e cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc9e:*:*:*:*:*:*:*
ibm informix_dynamic_server 10.0.xc10 cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc10:*:*:*:*:*:*:*
ibm informix_dynamic_server 10.0.xc10e cpe:2.3:a:ibm:informix_dynamic_server:10.0.xc10e:*:*:*:*:*:*:*
ibm informix_dynamic_server 11.1 cpe:2.3:a:ibm:informix_dynamic_server:11.1:*:*:*:*:*:*:*
ibm informix_dynamic_server 11.10 cpe:2.3:a:ibm:informix_dynamic_server:11.10:*:*:*:*:*:*:*
ibm informix_dynamic_server 11.10.xc1 cpe:2.3:a:ibm:informix_dynamic_server:11.10.xc1:*:*:*:*:*:*:*
ibm informix_dynamic_server 11.10.xc1de cpe:2.3:a:ibm:informix_dynamic_server:11.10.xc1de:*:*:*:*:*:*:*
ibm informix_dynamic_server 11.10.xc2 cpe:2.3:a:ibm:informix_dynamic_server:11.10.xc2:*:*:*:*:*:*:*
ibm informix_dynamic_server 11.10.xc2e cpe:2.3:a:ibm:informix_dynamic_server:11.10.xc2e:*:*:*:*:*:*:*
ibm informix_dynamic_server 11.10.xc3 cpe:2.3:a:ibm:informix_dynamic_server:11.10.xc3:*:*:*:*:*:*:*
ibm informix_dynamic_server 11.10.xc3e cpe:2.3:a:ibm:informix_dynamic_server:11.10.xc3e:*:*:*:*:*:*:*

References for CVE-2009-2753

cvelogic Threat Intelligence