HPE Service Manager (SM) 9.3x before 9.35 P4 and 9.4x before 9.41.P2 allows remote attackers to execute arbitrary commands via a crafted serialized Java object, related to the Apache Commons Collections library.
Conclusion & alert: CVE-2016-1998 is rated High Risk (66.9/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.67%). 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 | 2.12% | 1.67% | -0.46% |
| 2 | 2025-03-29 | 1.67% | 2.12% | +0.46% |
| 3 | 2025-03-17 | — | 1.67% | — |
Full EPSS history (6 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] |
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| hp | service_manager | 9.30 | cpe:2.3:a:hp:service_manager:9.30:*:*:*:*:*:*:* |
| hp | service_manager | 9.31 | cpe:2.3:a:hp:service_manager:9.31:*:*:*:*:*:*:* |
| hp | service_manager | 9.32 | cpe:2.3:a:hp:service_manager:9.32:*:*:*:*:*:*:* |
| hp | service_manager | 9.33 | cpe:2.3:a:hp:service_manager:9.33:*:*:*:*:*:*:* |
| hp | service_manager | 9.34 | cpe:2.3:a:hp:service_manager:9.34:*:*:*:*:*:*:* |
| hp | service_manager | 9.35 | cpe:2.3:a:hp:service_manager:9.35:*:*:*:*:*:*:* |
| hp | service_manager | 9.40 | cpe:2.3:a:hp:service_manager:9.40:*:*:*:*:*:*:* |
| hp | service_manager | 9.41 | cpe:2.3:a:hp:service_manager:9.41:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05054565 | Patch Vendor Advisory |