Security readout for executives and security teams
Plain-English summary
CVE-2020-16237 is a low-severity input validation issue in Philips SureSigns VS4 patient monitors, A.07.107 and prior. The available scoring indicates an attacker needs physical access and low privileges, with only limited availability impact and no stated data theft or integrity impact.
Executive priority
Treat this as a low-priority medical-device hygiene item unless affected monitors are widely deployed or physically accessible to untrusted people. Address through biomedical asset management and vendor-supported remediation, not emergency response.
Technical view
The issue is CWE-20 improper input validation. CVSS 3.1 is 2.1 with AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L, meaning exploitation requires physical access and a low-privileged position. Public source details do not describe a specific vulnerable input, exploit method, or confirmed fix.
Likely exposure
Exposure is most relevant to healthcare environments that still operate Philips SureSigns VS4 devices on A.07.107 or earlier. Internet exposure is not supported by the CVSS vector or provided sources.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation evidence. The CVSS vector indicates local physical access is required, reducing broad remote attack risk but keeping device-room and service-access controls relevant.
Researcher notes
Evidence is limited to the CVE description, CVSS vector, CWE-20 classification, and advisory references. No public exploit details, affected input path, or patch version is included in the supplied bundle.
Mitigation direction
- Confirm whether any SureSigns VS4 units run A.07.107 or earlier.
- Review Philips and CISA ICS guidance before changing clinical devices.
- Limit physical access to affected monitors and service interfaces.
- Coordinate remediation windows with biomedical engineering and patient-care operations.
- Track vendor advisories for replacement, configuration, or service actions.
Validation and detection
- Inventory Philips SureSigns VS4 assets and record firmware/software versions.
- Compare observed versions with A.07.107 and prior.
- Confirm affected devices are protected from unauthorized physical access.
- Review CISA and Philips advisories for remediation language.
- Document any unsupported or end-of-life device constraints.
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
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ATT&CK lookup starting points
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CWE-20: Exact CWE lookup
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Open ATT&CK lookupCVE-2020-16237 mapping review
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Open ATT&CK lookup- Severity
- Low
- CVSS
- 2.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
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 vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L0.71.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
2.1LowVector: CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source materials
- CVE List V5 sourceCVE List V5
- https://us-cert.cisa.gov/ics/advisories/icsma-20-233-01CVE reference · x_refsource_MISC
- https://www.philips.com/a-w/security/security-advisories/product-security-2020.html#2020_archiveCVE reference
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.