What is CVE-2021-33884?

CVE-2021-33884 is a medium-severity vulnerability in Bbraun Infusomat Large Volume Pump 871305u, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 6.5/10. Published 2021-08-25.

How severe is CVE-2021-33884?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Arbitrary file upload in Bbraun Infusomat Large Volume Pump 871305u

CVE-2021-33884

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.

Vulnerability class: Unrestricted File Upload

Published 2021-08-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.010 (60.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 60.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

www.bbraunusa.com/en.htm (Broken Link)
www.mcafee.com/blogs/enterprise/mcafee-enterprise-atr/mcafee-enterprise-atr-unc… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2021-33884?: CVE-2021-33884 is a medium-severity vulnerability in Bbraun Infusomat Large Volume Pump 871305u, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 6.5/10. Published 2021-08-25.
How severe is CVE-2021-33884?: Medium severity. CVSS v3 base score is 6.5 out of 10.