Is CVE-2021-27499 in the CISA KEV catalog?

No. CVE-2021-27499 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-27499?

CVE-2021-27499 has a CVSS v3 base score of 5.9 (MEDIUM).

What is the EPSS score for CVE-2021-27499?

CVE-2021-27499 has an EPSS score of 0.47% (38th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-27499?

Upgrade mylife to 1.7.5 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2021-27499

MEDIUM

5.9

CVSS v3

NVD

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 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.

CWE-329 CWE-330

How to fix

Remediation Available

mylifeNVD

Affected:< 1.7.5Fixed in:1.7.5CVE-2021-27499derived from NVD

mylife cloudNVD

Affected:< 1.7.2Fixed in:1.7.2CVE-2021-27499derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

0.47%probability of exploitation in 30 days

38thpercentile

Low risk: more likely to be exploited than 38% of all known CVEs.

References

Third-Party Advisory1

us-cert.cisa.gov

Embed a live status badge for CVE-2021-27499

Markdown

[![CVE-2021-27499](https://tridentstack.com/cve/badge/CVE-2021-27499.svg)](https://tridentstack.com/cve/CVE-2021-27499)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-27499"><img src="https://tridentstack.com/cve/badge/CVE-2021-27499.svg" alt="CVE-2021-27499"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.