CVE-2021-27499

Ypsomed mylife Cloud, mylife Mobile Application, Ypsomed mylife Cloud: All versions prior to 1.7.2, Ypsomed mylife App: All versions prior to 1.7.5,The application layer encryption of the communication protocol between the Ypsomed mylife App and mylife Cloud uses non-random IVs, which allows man-in-the-middle attackers to tamper with messages.

CVSS v3 5.9 MEDIUM
CVSS v2.0 4.3 MEDIUM

5.9^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:N/I:P/A:N

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://us-cert.cisa.gov/ics/advisories/icsma-21-196-01	Third Party Advisory US Government Resource

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:ypsomed:mylife::::::::
	cpe:2.3:a:ypsomed:mylife_cloud::::::::

History

30 Jun 2023, 17:43

Type	Values Removed	Values Added
CWE	~~NVD-CWE-Other~~	CWE-330

Information

Published : 2021-08-02 21:15

Updated : 2024-02-28 18:28

NVD link : CVE-2021-27499

Mitre link : CVE-2021-27499

CVE.ORG link : CVE-2021-27499

JSON object : View

Products Affected

ypsomed

mylife
mylife_cloud

CWE

CWE-330

Use of Insufficiently Random Values

CWE-329

Generation of Predictable IV with CBC Mode

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