CVE-2011-0266

HP OpenView Network Node Manager 7.51 and 7.53 - Buffer Overflow via Long nameParams Parameter

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2011-0266. PoCs published by Metasploit, sinn3r, MC, including Metasploit module exploits/windows/http/hp_nnm_nnmrptconfig_nameparams.

AI-analyzed exploit summary This Metasploit module exploits a stack-based buffer overflow in HP OpenView NNM's nnmRptConfig.exe via a maliciously crafted POST request with an overly long 'nameParams' parameter. It leverages SEH overwrites to achieve arbitrary code execution on Windows Server 2003 Enterprise.

Description

Buffer overflow in nnmRptConfig.exe in HP OpenView Network Node Manager (OV NNM) 7.51 and 7.53 allows remote attackers to execute arbitrary code via a long nameParams parameter, a different vulnerability than CVE-2011-0267.2.

Exploits (2)

exploitdb WORKING POC VERIFIED
by Metasploit · rubyremotewindows
https://www.exploit-db.com/exploits/17028

This Metasploit module exploits a stack-based buffer overflow in HP OpenView NNM's nnmRptConfig.exe via a maliciously crafted POST request with an overly long 'nameParams' parameter. It leverages SEH overwrites to achieve arbitrary code execution on Windows Server 2003 Enterprise.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: HP OpenView Network Node Manager (NNM) nnmRptConfig.exe
No auth needed
Prerequisites: Network access to the target system · HP NNM with vulnerable nnmRptConfig.exe exposed
devstral-2 · analyzed Feb 16, 2026 Full analysis →
metasploit WORKING POC NORMAL
by sinn3r, MC · rubypocwin
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/http/hp_nnm_nnmrptconfig_nameparams.rb

This Metasploit module exploits a stack-based buffer overflow in HP OpenView NNM's nnmRptConfig.exe via a maliciously crafted POST request with an overly long 'nameParams' parameter. It achieves remote code execution by overwriting the SEH chain or EIP, depending on the target version.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: HP OpenView Network Node Manager (NNM) 7.50 and 7.53
No auth needed
Prerequisites: Network access to the target system · HP NNM with vulnerable nnmRptConfig.exe exposed
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (7)

Core 7
Core References
Third Party Advisory x_refsource_misc
http://www.zerodayinitiative.com/advisories/ZDI-11-008/
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id?1024951
Third Party Advisory, VDB Entry vendor-advisory x_refsource_hp
http://www.securityfocus.com/archive/1/515628
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2011/0085
Third Party Advisory third-party-advisory x_refsource_sreason
http://securityreason.com/securityalert/8151
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/45762
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/64650

Scores

EPSS 0.7011
EPSS Percentile 99.3%

Details

CWE
CWE-119
Status published
Products (2)
hp/openview_network_node_manager 7.51
hp/openview_network_node_manager 7.53
Published Jan 13, 2011
Tracked Since Feb 18, 2026