#VU54922 Use of hard-coded credentials in Ypsomed mylife Cloud and Ypsomed mylife App - CVE-2021-27503

Vulnerability identifier: #VU54922

Vulnerability risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-27503

CWE-ID: CWE-798

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Ypsomed mylife Cloud
Client/Desktop applications / Other client software
Ypsomed mylife App
Mobile applications / Apps for mobile phones

Vendor: Ypsomed

Description

The vulnerability allows a remote attacker to gain full access to vulnerable system.

The vulnerability exists due to presence of hard-coded credentials in application code. A remote unauthenticated attacker can perform a man-in-the-middle attack to tamper with messages.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Ypsomed mylife Cloud: before 1.7.2

Ypsomed mylife App: before 1.7.5

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External links
https://ics-cert.us-cert.gov/advisories/icsma-21-196-01

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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