Vulnerability identifier: #VU59171

Vulnerability risk: Low

CVSSv3.1: 5.2 [CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-33846

CWE-ID: CWE-327

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Vigilant Software Suite
Client/Desktop applications / Other client software

Vendor: Fresenius Kabi

Description

The vulnerability allows a remote user to compromise the target system.

The vulnerability exists due to the Vigilant MasterMed application issues authentication tokens to authenticated users that are signed with a symmetric encryption key. A remote administrator can issue valid JWTs and impersonate arbitrary users.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Vigilant Software Suite: 1.0

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External links
http://ics-cert.us-cert.gov/advisories/icsma-21-355-01

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.