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CVE-2011-0266

84
FAUCET Score

CVE-2011-0266 describes a critical buffer overflow vulnerability in nnmRptConfig.exe within HP OpenView Network Node Manager (OV NNM) versions 7.51 and 7.53. This flaw allows unauthenticated remote attackers to execute arbitrary code by sending a crafted, excessively long nameParams parameter. With a CVSS score of 10.0, this vulnerability presents a severe risk, enabling complete compromise of confidentiality, integrity, and availability. Exploit code, including a Metasploit module, is publicly available, though there is no indication of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
7.51CPE matchmatch criteria
cpe:2.3:a:hp:openview_network_node_manager:7.51:*:*:*:*:*:*:*
7.53CPE matchmatch criteria
cpe:2.3:a:hp:openview_network_node_manager:7.53:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
70.11%
Probability of exploitation in next 30 days
EPSS Percentile
99.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
Metasploit: HP OpenView NNM nnmRptConfig nameParams Buffer Overflow · Jan 10, 2011
ExploitDB: EDB-17028 · Mar 23, 2011
This CVE's current EPSS score of 0.7011 is in the 99th percentile among its peer group of 51,466 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

securityreason.com / securityalert/8151
exchange.xforce.ibmcloud.com / vulnerabilities/64650
securityfocus.com / archive/1/515628
securityfocus.com / bid/45762
securitytracker.com / id
vupen.com / english/advisories/2011/0085
zerodayinitiative.com / advisories/ZDI-11-008