Security readout for executives and security teams
Plain-English summary
Some older Hospira infusion systems contain hard-coded accounts. If network access paths remain open, an unauthorized person may be able to access affected devices. This matters because infusion pumps are clinical equipment, so exposure should be treated as a patient-safety and operational risk, even though the source bundle gives no CVSS score.
Executive priority
Prioritize discovery and network containment. This is an older medical-device issue, but remaining exposed devices create avoidable clinical and operational risk. Replacement planning should follow if affected systems are still deployed.
Technical view
CVE-2015-3953 is a CWE-259 hard-coded credential issue affecting Hospira Plum A+ <=13.4, Plum A+3 <=13.6, and Symbiq <=3.13. The cited mitigation is to close Port 20/FTP and Port 23/TELNET on affected devices. Hospira’s Plum 360 Infusion System is listed as not vulnerable to this issue.
Likely exposure
Exposure is most likely in healthcare environments still operating the named Hospira infusion systems, especially where FTP or Telnet access is reachable from clinical, facilities, vendor, or broader enterprise networks.
Exploitation context
The provided bundle does not show CISA KEV listing or cited evidence of active exploitation. The risk is still significant because hard-coded accounts can undermine normal authentication assumptions if network paths to affected services are available.
Researcher notes
Evidence is limited to the CVE record and the cited ICS-CERT advisory reference in the bundle. No CVSS vector, exploit details, or active exploitation claim is provided. Avoid assuming impact beyond unauthorized access enabled by hard-coded accounts.
Mitigation direction
- Inventory Hospira Plum A+, Plum A+3, and Symbiq devices and record firmware versions.
- Close Port 20/FTP and Port 23/TELNET on affected devices as Hospira recommends.
- Segment infusion systems from enterprise and guest networks.
- Review vendor guidance before making clinical device configuration changes.
- Evaluate replacement or migration options, including Plum 360 where appropriate.
Validation and detection
- Confirm whether any affected model and version remains in service.
- Verify FTP and Telnet access paths are blocked to affected devices.
- Check network segmentation rules covering clinical device VLANs or zones.
- Confirm biomedical engineering and clinical operations approved any changes.
- Document compensating controls for devices that cannot be replaced quickly.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-259: Exact CWE lookup
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Open ATT&CK lookupCVE-2015-3953 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://ics-cert.us-cert.gov/advisories/ICSA-15-161-01CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Use of Hard-coded Password
Use of Hard-coded Password represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.