CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
35.4%
Successful exploitation of this vulnerability could allow a sophisticated and authenticated attacker to compromise the security of the Space communication device Battery Pack SP with Wi-Fi. An attacker could escalate privileges, view sensitive information, upload arbitrary files, and perform remote code execution.
The following B. Braun products are affected:
3.2.1 IMPROPER NEUTRALIZATION OF DIRECTIVES IN DYNAMICALLY EVALUATED CODE (āEVAL INJECTIONā) CWE-95
An improper neutralization of directives in dynamically evaluated code vulnerability in the Wi-Fi Battery embedded web server versions L90/U70 and L92/U92 can be used to gain administrative access to the Wi-Fi communication module. An authenticated user, having access to both the medical device Wi-Fi network (such as a biomedical engineering staff member) and the specific B. Braun Battery Pack SP with Wi-Fi web server credentials, could gain administrative (root) access on the infusion pump communication module. This could be used as a vector to launch further attacks.
CVE-2023-0888 has been assigned to this vulnerability. A CVSS v3 base score of 5.5 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:L).
Tom Johnston, a cyber security consultant, reported this vulnerability to B. Braun.
B. Braun has released software updates to mitigate the reported vulnerabilities:
The infusion pumps are not directly affected. However, the interrupted network communication might prevent certain features of the device from functioning properly. Specifically, an impacted device may be unable to receive infusion orders from EMR/PDMS systems, receive a drug library update, or communicate with DoseTrac.
For more information, see the B. Braun Vulnerability Advisory.
CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. Specifically, users should:
CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
CISA also provides a section for control systems security recommended practices on the ICS webpage at cisa.gov/ics. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.
Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01BāTargeted Cyber Intrusion Detection and Mitigation Strategies.
Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.
No known public exploits specifically target this vulnerability.
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-0888
www.bbraun.com/productsecurity
cisa.gov/ics
cisa.gov/ics
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cwe.mitre.org/data/definitions/95.html
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us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01
www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B
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