Security readout for executives and security teams
Plain-English summary
CVE-2021-33885 is a critical flaw in B. Braun SpaceCom2 where the device can trust malicious data because critical datasets lack cryptographic signatures. A remote unauthenticated attacker could gain full system command execution. For healthcare operators, this is urgent because affected devices may sit in clinical environments where integrity and availability matter.
Executive priority
Treat as high-priority clinical technology risk. The CVSS 10.0 rating and unauthenticated remote command execution impact justify urgent inventory, vendor-guided remediation, and network containment, even though the provided sources do not show active exploitation.
Technical view
The issue is insufficient verification of data authenticity in B. Braun SpaceCom2 before 012U000062. The CVE states malicious remote data can replace correct data, leading to full system command access and execution. CVSS v3.1 is 10.0 with network access, low complexity, no privileges, no user interaction, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to environments running B. Braun SpaceCom2 versions before 012U000062. The source bundle does not provide CPEs, deployment counts, or internet exposure data. Healthcare and clinical technology networks using these infusion pump communication components should prioritize asset confirmation.
Exploitation context
The source bundle marks CISA KEV as false and provides no cited evidence of active exploitation. Public research from McAfee disclosed vulnerabilities in globally used B. Braun infusion pump technology, but this prompt does not include exploit-in-the-wild claims.
Researcher notes
Key evidence gaps: the CVE source lists affected vendor/product fields as n/a, provides no CWE, and includes limited remediation detail beyond the version threshold. Avoid broad product assumptions; validate actual SpaceCom2 versions and deployment context directly with the organization and vendor guidance.
Mitigation direction
- Identify all B. Braun SpaceCom2 deployments and record current firmware or software versions.
- Update SpaceCom2 systems to 012U000062 or later per B. Braun guidance.
- Restrict network access to SpaceCom2 management and device communication paths.
- Monitor vendor advisories for device-specific remediation and clinical safety guidance.
- Coordinate changes with biomedical engineering and clinical operations teams.
Validation and detection
- Confirm no SpaceCom2 instance is running a version before 012U000062.
- Review network segmentation for unauthorized access paths to affected devices.
- Check asset inventories for unmanaged or undocumented B. Braun SpaceCom2 systems.
- Verify remediation evidence with maintenance records or vendor management tooling.
- Document any exceptions with compensating controls and owner approval.
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.
CVE-2021-33885 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
- Critical
- CVSS
- 10 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AC:L/AV:N/A:N/C:H/I:H/PR:N/S:C/UI: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/AC:L/AV:N/A:N/C:H/I:H/PR:N/S:C/UI:N3.95.8Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
10CriticalVector: CVSS:3.1/AC:L/AV:N/A:N/C:H/I:H/PR:N/S:C/UI:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.bbraunusa.com/en.htmCVE reference · x_refsource_MISC
- https://www.mcafee.com/blogs/enterprise/mcafee-enterprise-atr/mcafee-enterprise-atr-uncovers-vulnerabilities-in-globally-used-b-braun-infusion-pump/CVE 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.