The AdminUI in HPE Operations Manager (OM) before 9.21.130 on Linux, Unix, and Solaris allows remote attackers to execute arbitrary commands via a crafted serialized Java object, related to the Apache Commons Collections (ACC) library.
Conclusion & alert: CVE-2016-4373 is rated High Risk (65.2/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.84%). 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 | 2025-03-30 | 4.29% | 1.84% | -2.46% |
| 2 | 2025-03-29 | 1.84% | 4.29% | +2.46% |
| 3 | 2025-03-17 | — | 1.84% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.0 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| hp | operations_manager | <= 9.21.120 | cpe:2.3:a:hp:operations_manager:*:*:*:*:*:linux:*:* |
| hp | operations_manager | <= 9.21.120 | cpe:2.3:a:hp:operations_manager:*:*:*:*:*:solaris:*:* |
| hp | operations_manager | <= 9.21.120 | cpe:2.3:a:hp:operations_manager:*:*:*:*:*:unix:*:* |
| hp | operations_manager | 9.20.0 | cpe:2.3:a:hp:operations_manager:9.20.0:*:*:*:linux:*:*:* |
| hp | operations_manager | 9.20.0 | cpe:2.3:a:hp:operations_manager:9.20.0:*:*:*:solaris:*:*:* |
| hp | operations_manager | 9.20.0 | cpe:2.3:a:hp:operations_manager:9.20.0:*:*:*:unix:*:*:* |