What is the CVSS score of CVE-2021-27503?

CVE-2021-27503 has a CVSS 3.1 base score of 4.8 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N. EPSS exploitation probability: 0.6%.

Mylife CVE-2021-27503

MEDIUM

Use of Hard-coded Credentials (CWE-798)

2021-08-02 ics-cert@hq.dhs.gov

Authentication Bypass Mylife Mylife Cloud

4.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

4.8 MEDIUM

AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

Aug 02, 2021 - 21:15 nvd

MEDIUM 4.8

DescriptionNVD

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.

AnalysisAI

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. Rated medium severity (CVSS 4.8), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Use of Hard-coded Credentials (CWE-798), which allows attackers to gain access using credentials embedded in source code. 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 products include: Ypsomed Mylife, Ypsomed Mylife Cloud. Version information: prior to 1.7.2.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Remove hard-coded credentials, use environment variables or secrets management, rotate exposed credentials immediately.