CVE-2021-33885

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

5.58% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 92.2% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2021-08-25 11:38Z5 YR AGO

Last updated

2024-08-04 00:05Z2 YR AGO

Reserved

2021-06-06

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Critical (CVSS 10.0)

CNA CVSS vector

CVSS:3.1/AC:L/AV:N/A:N/C:H/I:H/PR:N/S:C/UI:N

Weaknesses

• CWE-347Improper Verification of Cryptographic SignatureBase

Data version

5.1

Document digest

a8c05a67c0e81a57755d646b55cecb653050857601f807506f4c1233f2eb6c50

• www.bbraunusa.comhttps://www.bbraunusa.com/en.htmx_refsource_MISC
• www.mcafee.comhttps://www.mcafee.com/blogs/enterprise/mcafee-enterprise-atr/mcafee-enterprise-atr-uncovers-vulnerabilities-in-globally-used-b-braun-infusion-pump/x_refsource_MISC