How severe is CVE-2021-33886?

CVE-2021-33886 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2021-33886 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-33886?

CVE-2021-33886 affects Bbraun Spacecom2. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-33886?

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

When was CVE-2021-33886 published?

CVE-2021-33886 was published on 2021-08-25 and last updated on 2026-06-17.

CVE-2021-33886

CVE-2021-33886 is a high-severity vulnerability in Bbraun Spacecom2 with a CVSS 3.x base score of 8.1. 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-134.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 5.8
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-134
Affected product: Bbraun Spacecom2
Published: 2021-08-25
Last modified: 2026-06-17

Description

An improper sanitization of input vulnerability in B. Braun SpaceCom2 prior to 012U000062 allows a remote unauthenticated attacker to gain user-level command-line access by passing a raw external string straight through to printf statements. The attacker is required to be on the same network as the device.

Frequently asked questions

What is CVE-2021-33886?: An improper sanitization of input vulnerability in B. Braun SpaceCom2 prior to 012U000062 allows a remote unauthenticated attacker to gain user-level command-line access by passing a raw external string straight through to printf statements. The attacker is required to be on the same network as the device.
How severe is CVE-2021-33886?: CVE-2021-33886 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2021-33886 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-33886?: CVE-2021-33886 affects Bbraun Spacecom2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-33886?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-33886 published?: CVE-2021-33886 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-2021-33885 — Critical (CVSS 10.0): An Insufficient Verification of Data Authenticity vulnerability in B. Braun SpaceCom2 prior to 012U000062 allows a…
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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Other CWE-134 vulnerabilities

CVE-2012-1851 — Critical (CVSS 10.0): Format string vulnerability in the Print Spooler service in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2,…
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CVE-2011-2475 — Critical (CVSS 10.0): Format string vulnerability in ECTrace.dll in the iMailGateway service in the Internet Mail Gateway in OneBridge Server…
CVE-2011-1568 — Critical (CVSS 10.0): Format string vulnerability in the logText function in shmemmgr9.dll in IGSSdataServer.exe 9.00.00.11074, and…
CVE-2010-4235 — Critical (CVSS 10.0): Format string vulnerability in RealNetworks Helix Server 12.x, 13.x, and 14.x before 14.2, and Helix Mobile Server…
CVE-2011-0270 — Critical (CVSS 10.0): Format string vulnerability in nnmRptConfig.exe in HP OpenView Network Node Manager (OV NNM) 7.51 and 7.53 allows…

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