Security readout for executives and security teams
Plain-English summary
This vulnerability can let network requests disrupt Fresenius Kabi Agilia Link+ operation. The cited description says affected version 3.0 may require a physical hard reset on the rack system, creating clinical availability risk rather than data theft risk.
Executive priority
Treat as high priority where Agilia Link+ is in clinical use, because the primary impact is service availability of infusion infrastructure. Prioritize inventory, network exposure reduction, and vendor-guided remediation.
Technical view
CVE-2021-23236 is CWE-400 uncontrolled resource consumption in Fresenius Kabi Agilia Link+. CVSS 3.1 is 7.5, with network attack vector, low complexity, no privileges, no user interaction, and high availability impact. The sources do not show confidentiality or integrity impact.
Likely exposure
Most relevant exposure is healthcare environments running Fresenius Kabi Agilia Link+, specifically version 3.0 per the CVE description. The affected version range is otherwise incomplete in the provided bundle, so inventory confirmation is necessary.
Exploitation context
The source bundle does not cite active exploitation, and KEV is false. The risk is unauthenticated network-triggered denial of normal device operation, with recovery described as a hard reset using a physical rack button.
Researcher notes
Evidence supports a network-accessible availability flaw requiring no authentication. The bundle does not provide exploit details, patch status, fixed versions, or complete affected-version boundaries. Avoid assuming broader Agilia product impact without vendor confirmation.
Mitigation direction
- Check Fresenius Kabi and CISA guidance for supported remediation.
- Identify all Agilia Link+ systems and record firmware/software versions.
- Restrict network reachability to trusted clinical and management networks.
- Avoid exposing device interfaces to untrusted or general-purpose networks.
- Prepare operational procedures for safe recovery and hard resets.
- Coordinate changes with clinical engineering before altering device connectivity.
Validation and detection
- Confirm whether Agilia Link+ version 3.0 is deployed.
- Map network paths that can reach affected rack systems.
- Review logs or incident records for unexpected device interruptions.
- Verify segmentation limits access to authorized systems only.
- Track vendor or CISA updates for clarified affected versions.
- Document compensating controls and clinical recovery ownership.
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-400: Exact CWE lookup
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Open ATT&CK lookupCVE-2021-23236 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
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.cisa.gov/uscert/ics/advisories/icsma-21-355-01CVE 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.
Uncontrolled Resource Consumption
Uncontrolled Resource Consumption represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.