Security readout for executives and security teams
Plain-English summary
CVE-2021-33886 affects B. Braun SpaceCom2 devices before 012U000062. A same-network, unauthenticated attacker could exploit improper input handling to obtain user-level command-line access. For healthcare environments, this is high urgency because it concerns connected infusion pump infrastructure, but the provided sources do not show confirmed active exploitation.
Executive priority
Prioritize remediation for clinical networks containing SpaceCom2 devices, especially where segmentation is weak. The issue enables unauthorized user-level access from the local network, creating material operational risk even without public evidence of active exploitation.
Technical view
The flaw involves raw external input being passed through printf statements in SpaceCom2, allowing user-level command-line access. The CVSS 3.1 score is 8.1 with adjacent-network attack vector, no privileges, and no user interaction. The source bundle does not provide CWE mapping or detailed vendor remediation steps beyond the fixed version threshold.
Likely exposure
Exposure is most likely where B. Braun SpaceCom2 devices are reachable from clinical, biomedical, wireless, or general internal networks and are running versions before 012U000062.
Exploitation context
The attacker must be on the same network as the device. The CVE is not listed as KEV in the provided bundle, and no cited source confirms exploitation in the wild.
Researcher notes
Evidence is limited to the CVE description, CVSS vector, B. Braun reference, and McAfee research reference. Avoid assuming broader B. Braun product impact. Validate version exposure and network adjacency before assessing exploitability in a specific environment.
Mitigation direction
- Upgrade B. Braun SpaceCom2 devices to 012U000062 or later where applicable.
- Check B. Braun guidance for device-specific remediation and support constraints.
- Restrict network access to SpaceCom2 devices to required management and clinical systems.
- Segment infusion pump infrastructure from user, guest, and unmanaged networks.
- Monitor for unauthorized access attempts to device management interfaces.
Validation and detection
- Inventory all B. Braun SpaceCom2 assets and record firmware/software versions.
- Identify any SpaceCom2 device running a version earlier than 012U000062.
- Confirm same-network reachability is limited to approved systems only.
- Review logs or monitoring for unexpected command-line or management activity.
- Document compensating controls where immediate upgrade is not possible.
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-2021-33886 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
- 8.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AC:L/AV:A/A:N/C:H/I:H/PR:N/S:U/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:A/A:N/C:H/I:H/PR:N/S:U/UI:N2.85.2Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.1HighVector: CVSS:3.1/AC:L/AV:A/A:N/C:H/I:H/PR:N/S:U/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.