Wireless keys are stored in plain text on Hospira Plum A+ Infusion System version 13.4 and prior, Plum A+3 Infusion System version 13.6 and prior, and Symbiq Infusion System, version 3.13 and prior. Hospira recommends that customers close Port 20/FTP and Port 23/TELNET on the affected devices. Hospira has also released the Plum 360 Infusion System which is not vulnerable to this issue.
Conclusion & alert: CVE-2015-3952 is rated Moderate Risk (51.3/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.01%). 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 | 0.13% | 1.01% | +0.88% |
| 2 | 2024-12-17 | 0.16% | 0.13% | -0.03% |
| 3 | 2023-03-07 | — | 0.16% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.0 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| pifzer | plum_a\+_infusion_system_firmware | <= 13.4 | cpe:2.3:o:pifzer:plum_a\+_infusion_system_firmware:*:*:*:*:*:*:*:* |
| pifzer | plum_a\+3_infusion_system_firmware | <= 13.6 | cpe:2.3:o:pifzer:plum_a\+3_infusion_system_firmware:*:*:*:*:*:*:*:* |
| pifzer | symbiq_infusion_system_firmware | <= 3.13 | cpe:2.3:o:pifzer:symbiq_infusion_system_firmware:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://ics-cert.us-cert.gov/advisories/ICSA-15-161-01 | Mitigation Third Party Advisory US Government Resource |