CVE-2021-27499

CVSS V2 Medium 4.3 CVSS V3 Medium 5.9
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.
Overview
  • CVE ID
  • CVE-2021-27499
  • Assigner
  • ics-cert@hq.dhs.gov
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-08-02T21:15:08
  • Last Modified Date
  • 2021-08-11T13:17:40
Weakness Enumerations
CWE URL
NVD-CWE-Other http://cwe.mitre.org/data/definitions/NVD-Other.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:ypsomed:mylife:*:*:*:*:*:*:*:* 1 OR 1.7.5
cpe:2.3:a:ypsomed:mylife_cloud:*:*:*:*:*:*:*:* 1 OR 1.7.2
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:N/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 4.3
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 5.9
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.2
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://us-cert.cisa.gov/ics/advisories/icsma-21-196-01 Third Party Advisory US Government Resource
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-27499
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27499
History
Created Old Value New Value Data Type Notes
2022-05-10 06:57:46 Added to TrackCVE
2022-12-05 07:13:13 2021-08-02T21:15Z 2021-08-02T21:15:08 CVE Published Date updated
2022-12-05 07:13:13 2021-08-11T13:17:40 CVE Modified Date updated
2022-12-05 07:13:13 Analyzed Vulnerability Status updated