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CVE-2021-27503

MEDIUM
4.8
CVSS Score
Published: August 2, 2021 at 08:42 PM UTC
Updated: June 17, 2026 at 03:44 AM UTC
2 products affected across 1 vendorMylifeMylife Cloud

Using Ypsomed mylife Cloud, mylife Mobile Application by N/A?

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Severity
MEDIUM4.8
Exploit prediction
EPSS 0.6%

Description

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 encrypts on the application layer of the communication protocol between the Ypsomed mylife App and mylife Cloud credentials based on hard-coded secrets, which allows man-in-the-middle attackers to tamper with messages.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Mylife· Ypsomed
95%
v < 1.7.2v < 1.7.5
Affected range stops below 1.7.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.7.5, so it looks safe — our inference, not a vendor statement
Mylife Cloud· Ypsomed
95%
v < 1.7.2
Affected range stops below 1.7.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_MISCThird Party AdvisoryUS Government Resource
Source: [email protected]
https://us-cert.cisa.gov/ics/advisories/icsma-21-196-01

CVSS

4.8MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-798

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