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CVE Record

CVE-2020-36548: GE Voluson S8 Service Browser users.cgi improper authentication

A vulnerability classified as problematic has been found in GE Voluson S8. Affected is the file /uscgi-bin/users.cgi of the Service Browser. The manipulation leads to improper authentication and elevated access possibilities. It is possible to launch the attack on the local host.

MediumCVSS 5.9Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2020-36548 affects GE Voluson S8 ultrasound systems. A local attacker could misuse the Service Browser user management endpoint to bypass proper authentication and gain elevated access. The business risk is moderate because the attack is local, but the device context is clinically sensitive.

Executive priority

Treat as a moderate-priority medical device exposure. Prioritize asset identification and vendor confirmation, then apply access controls around local service workflows. Escalate if devices are shared, unmanaged, or used in sensitive clinical environments.

Technical view

The issue is improper authentication in /uscgi-bin/users.cgi within the GE Voluson S8 Service Browser. The CVSS 3.1 vector is AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L, scoring 5.9. Sources describe elevated access possibilities from local host interaction.

Likely exposure

Exposure is most likely where GE Voluson S8 devices are reachable by local users, maintenance workflows, shared workstations, or service interfaces. The provided sources do not identify network-wide exposure or affected firmware versions beyond Voluson S8.

Exploitation context

The CVE record says exploitation is possible on the local host. The source bundle does not show CISA KEV listing, public active exploitation, exploit prevalence, or confirmed ransomware use.

Researcher notes

Evidence is limited. The bundle names the endpoint and CWE-287 but does not provide affected version ranges, a vendor advisory, patch details, or exploit telemetry. Avoid assuming remote exploitability from the provided CVSS vector and description.

Mitigation direction

  • Identify all GE Voluson S8 systems in clinical and service environments.
  • Ask GE or the service provider for supported remediation guidance.
  • Restrict physical and local operating-system access to affected systems.
  • Limit Service Browser use to authorized biomedical or vendor personnel.
  • Monitor for unexpected local account or service configuration changes.

Validation and detection

  • Confirm whether each Voluson S8 exposes the Service Browser locally.
  • Review device software and service configuration against GE guidance.
  • Check local access controls for shared clinical or maintenance accounts.
  • Review logs for unexpected user-management or service-browser activity.
  • Document compensating controls where vendor fixes are unavailable.
Prepared
Confidence
medium
Sources
4

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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 · medium confidence lookup

CWE-287: Credential and account abuse lookup

Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

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cve · low confidence lookup

CVE-2020-36548 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
5.9 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Official CVE source material

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.

1CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS vector scores

1 official score

We 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.

ScoreVersionSeverityVectorExploitImpactSource
5.9CVSS 3.1MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L2.53.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

5.9Medium
CVSS 3.1 vector shape for CVE-2020-36548Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
GEVoluson S8n/aListed
Weakness

CWE details

CWE-287

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.