How severe is CVE-2021-33885?

CVE-2021-33885 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2021-33885 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-33885?

CVE-2021-33885 affects Bbraun Spacecom2. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-33885?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2021-33885 published?

CVE-2021-33885 was published on 2021-08-25 and last updated on 2026-06-17.

CVE-2021-33885

CVE-2021-33885 is a critical-severity vulnerability in Bbraun Spacecom2 with a CVSS 3.x base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-347.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
CVSS v2: 10.0
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-347
Affected product: Bbraun Spacecom2
Published: 2021-08-25
Last modified: 2026-06-17

Description

An Insufficient Verification of Data Authenticity vulnerability in B. Braun SpaceCom2 prior to 012U000062 allows a remote unauthenticated attacker to send the device malicious data that will be used in place of the correct data. This results in full system command access and execution because of the lack of cryptographic signatures on critical data sets.

Frequently asked questions

What is CVE-2021-33885?: An Insufficient Verification of Data Authenticity vulnerability in B. Braun SpaceCom2 prior to 012U000062 allows a remote unauthenticated attacker to send the device malicious data that will be used in place of the correct data. This results in full system command access and execution because of the lack of cryptographic signatures on critical data sets.
How severe is CVE-2021-33885?: CVE-2021-33885 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2021-33885 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-33885?: CVE-2021-33885 affects Bbraun Spacecom2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-33885?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-33885 published?: CVE-2021-33885 was published on 2021-08-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:bbraun:spacecom2:*:*:*:*:*:*:*:*

More vulnerabilities in Bbraun Spacecom2

CVE-2021-33886 — High (CVSS 8.1): An improper sanitization of input vulnerability in B. Braun SpaceCom2 prior to 012U000062 allows a remote…
CVE-2021-33882 — Medium (CVSS 6.8): A Missing Authentication for Critical Function vulnerability in B. Braun SpaceCom2 prior to 012U000062 allows a remote…
CVE-2021-33884 — Medium (CVSS 6.5): An Unrestricted Upload of File with Dangerous Type vulnerability in B. Braun SpaceCom2 prior to 012U000062 allows…
CVE-2021-33883 — Medium (CVSS 5.9): A Cleartext Transmission of Sensitive Information vulnerability in B. Braun SpaceCom2 prior to 012U000062 allows a…

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