CVE-2021-27499

{"containers": {"cna": {"affected": [{"product": "Ypsomed mylife Cloud, mylife Mobile Application", "vendor": "n/a", "versions": [{"status": "affected", "version": "Ypsomed mylife Cloud: All versions prior to 1.7.2, Ypsomed mylife App: All versions prior to 1.7.5"}]}], "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-329", "description": "NOT USING AN UNPREDICTABLE IV WITH CBC MODE (CWE-329)", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-08-02T20:42:09.000Z", "orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://us-cert.cisa.gov/ics/advisories/icsma-21-196-01"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "ics-cert@hq.dhs.gov", "ID": "CVE-2021-27499", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Ypsomed mylife Cloud, mylife Mobile Application", "version": {"version_data": [{"version_value": "Ypsomed mylife Cloud: All versions prior to 1.7.2, Ypsomed mylife App: All versions prior to 1.7.5"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "NOT USING AN UNPREDICTABLE IV WITH CBC MODE (CWE-329)"}]}]}, "references": {"reference_data": [{"name": "https://us-cert.cisa.gov/ics/advisories/icsma-21-196-01", "refsource": "MISC", "url": "https://us-cert.cisa.gov/ics/advisories/icsma-21-196-01"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T21:26:09.263Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://us-cert.cisa.gov/ics/advisories/icsma-21-196-01"}]}]}, "cveMetadata": {"assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "assignerShortName": "icscert", "cveId": "CVE-2021-27499", "datePublished": "2021-08-02T20:42:09.000Z", "dateReserved": "2021-02-19T00:00:00.000Z", "dateUpdated": "2024-08-03T21:26:09.263Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Ypsomed mylife Cloud, mylife Mobile Application", "vendor": "n/a", "versions": [{"status": "affected", "version": "Ypsomed mylife Cloud: All versions prior to 1.7.2, Ypsomed mylife App: All versions prior to 1.7.5"}]}], "source": "ics-cert@hq.dhs.gov"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:ypsomed:mylife:*:*:*:*:*:*:*:*", "matchCriteriaId": "B9020455-4F66-4DF4-BB7C-C07DAE76FE2C", "versionEndExcluding": "1.7.5", "vulnerable": true}, {"criteria": "cpe:2.3:a:ypsomed:mylife_cloud:*:*:*:*:*:*:*:*", "matchCriteriaId": "115393EA-71DF-46B9-9F87-A26C641459A1", "versionEndExcluding": "1.7.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Ypsomed mylife Cloud, mylife Mobile Application, Ypsomed mylife Cloud: Todas las versiones anteriores a 1.7.2, Ypsomed mylife App: Todas las versiones anteriores a 1.7.5, El cifrado de la capa de aplicaci\u00f3n del protocolo de comunicaci\u00f3n entre Ypsomed mylife App y mylife Cloud usa IVs no aleatorios, que permite a atacantes tipo man-in-the-middle manipular los mensajes"}], "id": "CVE-2021-27499", "lastModified": "2026-06-17T03:44:59.037", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-08-02T21:15:08.050", "references": [{"source": "ics-cert@hq.dhs.gov", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://us-cert.cisa.gov/ics/advisories/icsma-21-196-01"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://us-cert.cisa.gov/ics/advisories/icsma-21-196-01"}], "sourceIdentifier": "ics-cert@hq.dhs.gov", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-329"}], "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-330"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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