CVE-2015-3420

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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:dovecot:dovecot:*:*:*:*:*:*:*:*", "matchCriteriaId": "D23E9845-0791-4C61-A7D9-D2F4010939F2", "versionEndIncluding": "2.2.16", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:20:*:*:*:*:*:*:*", "matchCriteriaId": "FF47C9F0-D8DA-4B55-89EB-9B2C9383ADB9", "vulnerable": true}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:*", "matchCriteriaId": "56BDB5A0-0839-4A20-A003-B8CD56F48171", "vulnerable": true}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*", "matchCriteriaId": "253C303A-E577-4488-93E6-68A8DD942C38", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The ssl-proxy-openssl.c function in Dovecot before 2.2.17, when SSLv3 is disabled, allow remote attackers to cause a denial of service (login process crash) via vectors related to handshake failures."}, {"lang": "es", "value": "La funci\u00f3n ssl-proxy-openssl.c en Dovecot en versiones anteriores a la 2.2.17, cuando SSLv3 est\u00e1 deshabilitado, permite que atacantes remotos provoquen una denegaci\u00f3n de servicio (cierre inesperado del proceso de inicio de sesi\u00f3n) mediante vectores relacionados con errores de negociaci\u00f3n de protocolos."}], "id": "CVE-2015-3420", "lastModified": "2026-06-17T00:25:54.360", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-09-19T15:29:00.740", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157030.html"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": 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{"bugzilla": {"description": "dovecot: SSL/TLS handshake failures leading to a crash of the login process.", "id": "1216057", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1216057"}, "csaw": false, "cvss": {"cvss_base_score": "4.3", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "status": "draft"}, "cwe": "CWE-391", "details": ["The ssl-proxy-openssl.c function in Dovecot before 2.2.17, when SSLv3 is disabled, allow remote attackers to cause a denial of service (login process crash) via vectors related to handshake failures."], "name": "CVE-2015-3420", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "dovecot", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "dovecot", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "dovecot", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2015-04-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2015-3420\nhttps://nvd.nist.gov/vuln/detail/CVE-2015-3420"], "statement": "This issue did not affect the versions of dovecot as shipped with Red Hat Enterprise Linux 5, 6, and 7.", "threat_severity": "Low"}

{}