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Fencer Vulns
medium 6.5

CVE-2021-33884 json

An Unrestricted Upload of File with Dangerous Type vulnerability in B.

published 2021-08-25 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-20557

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 62%
public exploits
0
none known

Summary

An Unrestricted Upload of File with Dangerous Type vulnerability in B. Braun SpaceCom2 prior to 012U000062 allows remote attackers to upload any files to the /tmp directory of the device through the webpage API. This can result in critical files being overwritten.

Patch / fix

  • bbraun spacecom2 012u000062

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSMA-21-294-01 updated cvss 6.5

B. Braun Infusomat Space Large Volume Pump

  • B. Braun Medical Battery Pack SP with Wi-Fi <= L81 B. Braun Medical Battery pack SP with WiFi <= 028U000061 B. Braun Medical Data module compactPlus A10 < A11 B. Braun Medical SpaceStation with SpaceCom 2 <= L81, <= 012U000061
    affected: vendor fix bbraun.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

0.98% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • mcafee.com https://www.mcafee.com/blogs/enterprise/mcafee-enterprise-atr/mcafee-enterprise-atr-uncovers-vulnerabilities-in-globally-used-b-braun-infusion-pump/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 6.5 CVSS:3.1/AC:L/AV:N/A:N/C:L/I:L/PR:N/S:U/UI:N
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
NVD 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-434 Unrestricted Upload of File with Dangerous Type

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.