CVE-2021-27499
mediumpriority · track · 24OT risk · elevatedEPSS 0.005 · 41 %ileEUUSEPSS · scored 2026-10-27
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.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
No vendor fix yet; a mitigation is available.
- MitigationYpsomed mylife Appcisa_csaf_ot
Ypsomed has taken action to update the affected mylife Cloud backend services to mitigate the vulnerabilities affecting the mylife Cloud in versions prior to 1.7.2. Ypsomed recommends users with the affected mobile application to update to the latest available application Version 1.7.5 or later.
- MitigationYpsomed mylife Cloudcisa_csaf_ot
Ypsomed has taken action to update the affected mylife Cloud backend services to mitigate the vulnerabilities affecting the mylife Cloud in versions prior to 1.7.2. Ypsomed recommends users with the affected mobile application to update to the latest available application Version 1.7.5 or later.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (7)
Products and version ranges known to be affected.
- n/a Ypsomed mylife Cloud, mylife Mobile Application≤ Ypsomed mylife Cloud: All versions prior to 1.7.2, Ypsomed mylife App: All versions prior to 1.7.5enisa_euvdEU
advisories (1)
Vendor and ecosystem advisories describing this.
- ICSMA-21-196-01ICSMA-21-196-01_Ypsomed mylife2021-07-15icsa · cisa_csaf_otUS
Julian Suleder, Linda Huischen, and Nils Emmerich of ERNW Research GmbH and Dr. Oliver Matula of Enno Rey Netzwerke GmbH (ERNW) reported these vulnerabilities to the Federal Office for Information Security (BSI, Germany), in the context of the BSI project ManiMed - Manipulation of Medical Devices.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (5)
External citations — patches, advisories, analysis.
- https://us-cert.cisa.gov/ics/advisories/icsma-21-196-01cnnvd
- https://www.auscert.org.au/bulletins/ESB-2021.2419cnnvd
- https://www.cybersecurity-help.cz/vdb/SB2021071604cnnvd
- https://us-cert.cisa.gov/ics/advisories/icsma-21-196-01enisa_euvd
- https://us-cert.cisa.gov/ics/advisories/icsma-21-196-01Third Party AdvisoryUS Government Resourcenvd
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