CVE-2021-27491: Ypsomed mylife Cloud, mylife Mobile Application:Ypsomed mylife Cloud,All versions prior to 1.7.2,Ypsomed mylif

Q: How do I fix CVE-2021-27491?

mylife: upgrade to 1.7.5; mylife cloud: upgrade to 1.7.2. Exact commands for each OS are on this page.

Q: Is CVE-2021-27491 being exploited?

CVE-2021-27491 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-27491 affect?

CVE-2021-27491 affects mylife, mylife cloud. Severity is high (CVSS 7.5). 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 Ypsomed mylife Cloud discloses password hashes during the registration process.

Q: How urgent is CVE-2021-27491?

Priority 48/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.5REMOTEUPGRADEUPGRADE

CVE-2021-27491 is a high-severity flaw (CVSS 7.5) affecting mylife, mylife cloud. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 Ypsomed mylife Cloud discloses password hashes during the registration process.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.1% (top 34%)
CISA exploited list	No
Weakness	CWE-522
Published	2021-07-30
Last modified	2026-06-17

Publisher (CNA): ICS-CERT · Vendor: ypsomed

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-07-30 22:15 UTCPublished CVE record published
2026-06-17 03:44 UTCUpdated Record last modified

ypsomed mylife UPGRADE

Affected: < 1.7.5

Fixed in: 1.7.5

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy mylife || rpm -q mylife || mylife --version

2. UPGRADE to 1.7.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade mylife

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mylife

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

ypsomed mylife cloud UPGRADE

Affected: < 1.7.2

Fixed in: 1.7.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy mylife-cloud || rpm -q mylife-cloud || mylife-cloud --version

2. UPGRADE to 1.7.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade mylife-cloud

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mylife-cloud

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-27491?

mylife: upgrade to 1.7.5; mylife cloud: upgrade to 1.7.2. Exact commands for each OS are on this page.

Is CVE-2021-27491 being exploited?

CVE-2021-27491 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-27491 affect?

CVE-2021-27491 affects mylife, mylife cloud. Severity is high (CVSS 7.5). 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 Ypsomed mylife Cloud discloses password hashes during the registration process.

How urgent is CVE-2021-27491?

Priority 48/100. High severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2021-27503 MEDIUM 4.8 UPGRADE UPGRADE Ypsomed mylife Cloud, mylife Mobile Application, Ypsomed mylife Cloud: All versions prior to 1.7.2, Ypsomed my
CVE-2021-27499 MEDIUM 5.9 UPGRADE UPGRADE Ypsomed mylife Cloud, mylife Mobile Application, Ypsomed mylife Cloud: All versions prior to 1.7.2, Ypsomed my
CVE-2021-27495 HIGH 7.1 UPGRADE UPGRADE Ypsomed mylife Cloud, mylife Mobile Application:Ypsomed mylife Cloud,All versions prior to 1.7.2,Ypsomed mylif

References

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