Security readout for executives and security teams
Plain-English summary
CVE-2021-33883 means some B. Braun SpaceCom2 versions sent sensitive pump configuration information without encryption. Someone with access to observe the relevant network traffic could learn internal pump configuration values. The CVE is not listed in KEV, so the provided sources do not show confirmed active exploitation.
Executive priority
Treat this as a targeted medical-device remediation item. It is not presented as actively exploited, but hospitals using affected SpaceCom2 systems should prioritize inventory, segmentation, and vendor-confirmed updates because exposed pump configuration data can affect clinical technology risk.
Technical view
B. Braun SpaceCom2 before 012U000062 is described as transmitting sensitive information in cleartext. The CVSS 3.1 score is 5.9 with network attack vector, no privileges, no user interaction, high attack complexity, and high integrity impact. The source metadata does not provide complete affected CPEs.
Likely exposure
Exposure is most likely in healthcare environments using B. Braun SpaceCom2 versions earlier than 012U000062 on networks where unauthorized users or compromised hosts can observe device traffic.
Exploitation context
The described attack depends on network visibility to the relevant traffic. The sources do not provide evidence of exploitation in the wild, and KEV status is false. The main concern is sensitive medical-device configuration exposure that could support broader operational risk.
Researcher notes
Evidence is limited to CVE metadata and referenced vendor/research pages. The CVE record names SpaceCom2 before 012U000062, but the affected product fields are listed as n/a. Do not assume other B. Braun products are affected from this bundle alone.
Mitigation direction
- Inventory B. Braun SpaceCom2 deployments and firmware versions.
- Check B. Braun guidance for updates to 012U000062 or later.
- Segment medical-device networks from user and guest networks.
- Limit who can access or observe pump-related network traffic.
- Coordinate remediation windows with clinical engineering and patient-safety stakeholders.
Validation and detection
- Confirm no SpaceCom2 device is running below 012U000062.
- Review network segmentation around infusion pump infrastructure.
- Check whether pump-related traffic is exposed to non-clinical network segments.
- Verify vendor remediation guidance has been applied and documented.
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-2021-33883 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
- 5.9 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AC:H/AV:N/A:N/C:N/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:H/AV:N/A:N/C:N/I:H/PR:N/S:U/UI:N2.23.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.9MediumVector: CVSS:3.1/AC:H/AV:N/A:N/C:N/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.