CVE-2021-3391

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mobileiron:mobile\\@work:*:*:*:*:*:android:*:*", "matchCriteriaId": "4E437DFA-FB46-4857-9E4E-05C6E94D8D02", "versionEndIncluding": "11.0.0.0.115r", "vulnerable": true}, {"criteria": "cpe:2.3:a:mobileiron:mobile\\@work:*:*:*:*:*:iphone_os:*:*", "matchCriteriaId": "CCE5A364-960D-49FB-B12F-9CB46013EB1D", "versionEndIncluding": "12.11.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "MobileIron Mobile@Work through 2021-03-22 allows attackers to distinguish among valid, disabled, and nonexistent user accounts by observing the number of failed login attempts needed to produce a Lockout error message"}, {"lang": "es", "value": "MobileIron Mobile@Work hasta el 22 de marzo de 2021, permite a atacantes distinguir entre cuentas de usuario v\u00e1lidas, desactivadas e inexistentes al observar el n\u00famero de intentos fallidos de inicio de sesi\u00f3n necesarios para producir un mensaje de error de bloqueo"}], "id": "CVE-2021-3391", "lastModified": "2026-06-17T04:05:00.833", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-03-29T20:15:13.533", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://github.com/optiv/rustyIron"}, {"source": "cve@mitre.org", "tags": ["Not Applicable"], "url": "https://www.mobileiron.com/en/blog/mobileiron-security-updates-available"}, {"source": "cve@mitre.org", "tags": ["Technical Description", "Third Party Advisory"], "url": "https://www.optiv.com/explore-optiv-insights/source-zero/mobileiron-mdm-contains-static-key-allowing-account-enumeration"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/optiv/rustyIron"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Not Applicable"], "url": "https://www.mobileiron.com/en/blog/mobileiron-security-updates-available"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Technical Description", "Third Party Advisory"], "url": "https://www.optiv.com/explore-optiv-insights/source-zero/mobileiron-mdm-contains-static-key-allowing-account-enumeration"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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