CVE-2021-33886 : An improper sanitization of input vulnerability in B. Braun SpaceCom2 prior to 0

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.

Published 2021-08-25 12:15:17

Updated 2022-07-12 17:42:04

Source MITRE

View at NVD, CVE.org

Vulnerability category: Overflow

Products affected by CVE-2021-33886

Bbraun » Spacecom2
Versions before (<) 012u000062
cpe:2.3:o:bbraun:spacecom2:*:*:*:*:*:*:*:*
Matching versions
When used together with: Bbraun » Infusomat Large Volume Pump 871305u » Version: N/A
When used together with: Bbraun » Spacestation 8713142u » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2021-33886

EPSS FAQ

0.33%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 70 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-33886

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.8	MEDIUM	AV:A/AC:L/Au:N/C:P/I:P/A:P	6.5	6.4	NIST
Access Vector: Adjacent Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
8.1	HIGH	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N	2.8	5.2	MITRE
Attack Vector: Adjacent Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: None
8.8	HIGH	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	2.8	5.9	NIST
Attack Vector: Adjacent Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2021-33886

CWE-134 Use of Externally-Controlled Format String

The product uses a function that accepts a format string as an argument, but the format string originates from an external source.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-33886

https://www.bbraunusa.com/en.htm

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https://www.mcafee.com/blogs/enterprise/mcafee-enterprise-atr/mcafee-enterprise-atr-uncovers-vulnerabilities-in-globally-used-b-braun-infusion-pump/

McAfee Enterprise ATR Uncovers Vulnerabilities in Globally Used B. Braun Infusion Pump | McAfee Blogs
Exploit;Third Party Advisory

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Vulnerability Details : CVE-2021-33886

Products affected by CVE-2021-33886

Exploit prediction scoring system (EPSS) score for CVE-2021-33886

CVSS scores for CVE-2021-33886

CWE ids for CVE-2021-33886

References for CVE-2021-33886