Stack-based buffer overflow in the _OVParseLLA function in ov.dll in netmon.exe in Network Monitor in HP OpenView Network Node Manager (OV NNM) 7.01, 7.51, and 7.53 allows remote attackers to execute arbitrary code via the sel parameter.
Conclusion & alert: CVE-2010-1551 is rated High Risk (76.9/100): CVSS Critical severity, with high exploitation likelihood (EPSS 13.08%, 96th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +3.32% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 9.76% | 13.08% | +3.32% |
| 2 | 2025-10-04 | 18.25% | 9.76% | -8.50% |
| 3 | 2025-08-06 | — | 18.25% | — |
Full EPSS history (15 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| hp | openview_network_node_manager | 7.0.1 | cpe:2.3:a:hp:openview_network_node_manager:7.0.1:*:*:*:*:*:*:* |
| hp | openview_network_node_manager | 7.51 | cpe:2.3:a:hp:openview_network_node_manager:7.51:*:*:*:*:*:*:* |
| hp | openview_network_node_manager | 7.51 | cpe:2.3:a:hp:openview_network_node_manager:7.51:-:hp-ux:*:*:*:*:* |
| hp | openview_network_node_manager | 7.51 | cpe:2.3:a:hp:openview_network_node_manager:7.51:-:linux:*:*:*:*:* |
| hp | openview_network_node_manager | 7.51 | cpe:2.3:a:hp:openview_network_node_manager:7.51:-:solaris:*:*:*:*:* |
| hp | openview_network_node_manager | 7.51 | cpe:2.3:a:hp:openview_network_node_manager:7.51:-:windows:*:*:*:*:* |
| hp | openview_network_node_manager | 7.53 | cpe:2.3:a:hp:openview_network_node_manager:7.53:*:*:*:*:*:*:* |
| hp | openview_network_node_manager | 7.53 | cpe:2.3:a:hp:openview_network_node_manager:7.53:-:hp-ux:*:*:*:*:* |
| hp | openview_network_node_manager | 7.53 | cpe:2.3:a:hp:openview_network_node_manager:7.53:-:linux:*:*:*:*:* |
| hp | openview_network_node_manager | 7.53 | cpe:2.3:a:hp:openview_network_node_manager:7.53:-:solaris:*:*:*:*:* |
| hp | openview_network_node_manager | 7.53 | cpe:2.3:a:hp:openview_network_node_manager:7.53:-:windows:*:*:*:*:* |