Potential security vulnerabilities have been identified with HPE Nimble Storage systems in multi array group configurations. The vulnerabilities could be exploited by an attacker to gain elevated privileges on the array. The following NimbleOS versions, and all subsequent releases, contain a software fix for this vulnerability: 3.9.2.0, 4.5.5.0, 5.0.8.0 and 5.1.3.0.
Conclusion & alert: CVE-2019-11996 is rated Moderate Risk (64.8/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.46%). Core evidence: EPSS rose +1.02% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule 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 | 0.44% | 1.46% | +1.02% |
| 2 | 2025-03-30 | 0.55% | 0.44% | -0.11% |
| 3 | 2025-03-29 | — | 0.55% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| hpe | nimbleos | >= 3.1.0.0, <= 3.9.1.0 | cpe:2.3:o:hpe:nimbleos:*:*:*:*:*:*:*:* |
| hpe | nimbleos | >= 4.1.0.0, <= 4.5.4.0 | cpe:2.3:o:hpe:nimbleos:*:*:*:*:*:*:*:* |
| hpe | nimbleos | >= 5.0.1.0, <= 5.0.7.0 | cpe:2.3:o:hpe:nimbleos:*:*:*:*:*:*:*:* |
| hpe | nimbleos | >= 5.1.0.0, <= 5.1.2.0 | cpe:2.3:o:hpe:nimbleos:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbst03964en_us | Vendor Advisory |