Security readout for executives and security teams
Plain-English summary
This vulnerability affects the Fresenius Kabi Vigilant Software Suite Mastermed Dashboard. A malicious link could cause script code to run in a logged-in user’s browser, potentially exposing internal information or allowing actions as that user. The source rates it medium severity, and user interaction is required.
Executive priority
Treat this as a moderate operational security issue, not an emergency based on the supplied evidence. Prioritize affected medical environments because the product supports infusion system operations, but the stated impact is browser-session confidentiality and integrity rather than device availability.
Technical view
CVE-2021-33848 is reflected cross-site scripting in Mastermed Dashboard 2.0.1.3. The source says JavaScript can be injected through a GET parameter. CVSS 3.1 is 5.4: network reachable, low complexity, no attacker privileges, user interaction required, with low confidentiality and integrity impact and no availability impact.
Likely exposure
Exposure is most likely where Fresenius Kabi Vigilant Software Suite Mastermed Dashboard is deployed and reachable by users through a browser. The source bundle identifies version 2.0.1.3, while the affected version metadata is incomplete, so confirm exact product and version with the vendor advisory.
Exploitation context
The bundle does not show CISA KEV listing or cited evidence of active exploitation. Exploitation would require convincing a user to interact with a crafted request while authenticated or otherwise able to access the dashboard. Do not assume internet-wide exploitation from the provided evidence.
Researcher notes
The main uncertainty is affected-version scope beyond Mastermed Dashboard 2.0.1.3. The CVSS vector indicates remote unauthenticated triggerability but requires user interaction. Analysis should stay focused on reflected XSS behavior and avoid assuming direct pump control or availability impact not stated in the sources.
Mitigation direction
- Check CISA and Fresenius Kabi guidance for supported remediation or mitigations.
- Inventory Mastermed Dashboard deployments and confirm whether version 2.0.1.3 is present.
- Restrict dashboard access according to existing medical device network policy pending vendor guidance.
- Warn users not to follow untrusted dashboard links or unexpected URLs.
- Prioritize vendor-approved updates or compensating controls if documented.
Validation and detection
- Identify deployed Vigilant Software Suite Mastermed Dashboard versions.
- Confirm whether the dashboard is reachable from untrusted networks or user workstations.
- Review web logs for suspicious requests containing unexpected script-like GET parameters.
- Verify vendor remediation status against the CISA advisory.
- Confirm affected users understand phishing-link risk for authenticated sessions.
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
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CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. 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.
Open ATT&CK lookupCVE-2021-33848 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
- Medium
- CVSS
- 5.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
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:R/S:U/C:L/I:L/A:N2.82.5Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.4MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
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.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.