Integer signedness error 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 and EMC Legato NetWorker, allows remote attackers to execute arbitrary code via a crafted parameter size that triggers a stack-based buffer overflow.
CVE-2009-2754
- No confirmed exploitation signals yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 98.5%
- KEV
- Not listed
Published
March 5, 2010
Last Modified
April 29, 2026
References (20)
- cve@mitrehttp://knowledgebase.emc.com/emcice/login.do?sType=ax1990&sName=1204&id=emc183834
- cve@mitrehttp://secunia.com/advisories/38731
- cve@mitrehttp://www.ibm.com/support/docview.wss?uid=swg1IC55329
- cve@mitrehttp://www.ibm.com/support/docview.wss?uid=swg1IC55330
- cve@mitrehttp://www.securityfocus.com/archive/1/509793/100/0/threaded
- cve@mitrehttp://www.securityfocus.com/bid/38472
- cve@mitrehttp://www.vupen.com/english/advisories/2010/0508
- cve@mitrehttp://www.vupen.com/english/advisories/2010/0509
- cve@mitrehttp://www.zerodayinitiative.com/advisories/ZDI-10-023
- cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/56586
- af854a3a-2127-422b-91ae-364da2661108http://knowledgebase.emc.com/emcice/login.do?sType=ax1990&sName=1204&id=emc183834
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/38731
- af854a3a-2127-422b-91ae-364da2661108http://www.ibm.com/support/docview.wss?uid=swg1IC55329
- af854a3a-2127-422b-91ae-364da2661108http://www.ibm.com/support/docview.wss?uid=swg1IC55330
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/509793/100/0/threaded
Data Freshness Timeline
(refreshed 3× in last 7d / 30× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-05 02:26 UTCEPSS rescore
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- 2026-06-12 23:08 UTCEPSS rescore
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- 2026-05-31 22:28 UTCEPSS rescore
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- 2026-05-29 13:40 UTCEPSS rescore
- 2026-05-29 12:38 UTCEG score recompute
- 2026-05-29 12:38 UTCGHSA enrichment
- 2026-05-28 13:42 UTCEPSS rescore
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- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-27 13:38 UTCEPSS rescore
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- 2026-05-26 13:41 UTCEPSS rescore
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- 2026-05-22 21:15 UTCEPSS rescore
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- 2026-05-20 22:37 UTCEPSS rescore
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- 2026-05-20 11:21 UTCEPSS rescore
- 2026-05-20 11:20 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
Publicly available exploits
(1 reference)Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Exploit-DBEDB-12109✓ verifiedFirst seen Apr 8, 2010
Multiple Vendor 'librpc.dll' Signedness Error - Remote Code Execution
Open source ↗
Frequently asked(4)
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