What is CVE-2021-33883?

CVE-2021-33883 is a medium-severity vulnerability in Bbraun Infusomat Large Volume Pump 871305u, classified under Cleartext Transmission of Sensitive Information. CVSS score: 5.9/10. Published 2021-08-25.

How severe is CVE-2021-33883?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Bbraun Infusomat Large Volume Pump 871305u

CVE-2021-33883

A Cleartext Transmission of Sensitive Information vulnerability in B. Braun SpaceCom2 prior to 012U000062 allows a remote attacker to obtain sensitive information by snooping on the network traffic. The exposed data includes critical values for a pump's internal configuration.

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

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.008 (56.0th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-319 — Cleartext Transmission of Sensitive Information

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-2021-33883?: CVE-2021-33883 is a medium-severity vulnerability in Bbraun Infusomat Large Volume Pump 871305u, classified under Cleartext Transmission of Sensitive Information. CVSS score: 5.9/10. Published 2021-08-25.
How severe is CVE-2021-33883?: Medium severity. CVSS v3 base score is 5.9 out of 10.