{"containers": {"cna": {"affected": [{"product": "Thunderbird", "vendor": "Mozilla", "versions": [{"lessThan": "68.10.0", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "If an attacker intercepts Thunderbird's initial attempt to perform automatic account setup using the Microsoft Exchange autodiscovery mechanism, and the attacker sends a crafted response, then Thunderbird sends username and password over https to a server controlled by the attacker. This vulnerability affects Thunderbird < 68.10.0."}], "problemTypes": [{"descriptions": [{"description": "Automatic account setup leaks Microsoft Exchange login credentials", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-10-08T13:37:18.000Z", "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "shortName": "mozilla"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.mozilla.org/security/advisories/mfsa2020-26/"}, {"tags": ["x_refsource_MISC"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1606610"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@mozilla.org", "ID": "CVE-2020-15646", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Thunderbird", "version": {"version_data": [{"version_affected": "<", "version_value": "68.10.0"}]}}]}, "vendor_name": "Mozilla"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "If an attacker intercepts Thunderbird's initial attempt to perform automatic account setup using the Microsoft Exchange autodiscovery mechanism, and the attacker sends a crafted response, then Thunderbird sends username and password over https to a server controlled by the attacker. This vulnerability affects Thunderbird < 68.10.0."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Automatic account setup leaks Microsoft Exchange login credentials"}]}]}, "references": {"reference_data": [{"name": "https://www.mozilla.org/security/advisories/mfsa2020-26/", "refsource": "MISC", "url": "https://www.mozilla.org/security/advisories/mfsa2020-26/"}, {"name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1606610", "refsource": "MISC", "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1606610"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T13:22:30.834Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.mozilla.org/security/advisories/mfsa2020-26/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1606610"}]}]}, "cveMetadata": {"assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "assignerShortName": "mozilla", "cveId": "CVE-2020-15646", "datePublished": "2020-10-08T13:37:18.000Z", "dateReserved": "2020-07-10T00:00:00.000Z", "dateUpdated": "2024-08-04T13:22:30.834Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Thunderbird", "vendor": "Mozilla", "versions": [{"lessThan": "68.10.0", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "security@mozilla.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*", "matchCriteriaId": "A57C62F6-E2C3-4CDD-8518-EF2DB3DCD4DA", "versionEndExcluding": "68.10.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "If an attacker intercepts Thunderbird's initial attempt to perform automatic account setup using the Microsoft Exchange autodiscovery mechanism, and the attacker sends a crafted response, then Thunderbird sends username and password over https to a server controlled by the attacker. This vulnerability affects Thunderbird < 68.10.0."}, {"lang": "es", "value": "Si un atacante intercepta el intento inicial de Thunderbird de llevar a cabo los ajustes autom\u00e1ticos de la cuenta mediante el mecanismo de detecci\u00f3n autom\u00e1tica de Microsoft Exchange, y el atacante env\u00eda una respuesta dise\u00f1ada, entonces Thunderbird env\u00eda el nombre de usuario y contrase\u00f1a por medio de https hacia un servidor controlado por el atacante.&#xa0;Esta vulnerabilidad afecta a Thunderbird versiones anteriores a 68.10.0"}], "id": "CVE-2020-15646", "lastModified": "2026-06-17T02:56:58.510", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/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": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-10-08T14:15:12.483", "references": [{"source": "security@mozilla.org", "tags": ["Issue Tracking", "Permissions Required", "Vendor Advisory"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1606610"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2020-26/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Permissions Required", "Vendor Advisory"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1606610"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2020-26/"}], "sourceIdentifier": "security@mozilla.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Magnus Melin as the original reporter.", "affected_release": [{"advisory": "RHSA-2020:2966", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "thunderbird-0:68.10.0-1.el6_10", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2020-07-16T00:00:00Z"}, {"advisory": "RHSA-2020:2906", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "thunderbird-0:68.10.0-1.el7_8", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2020-07-14T00:00:00Z"}, {"advisory": "RHSA-2020:3038", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "thunderbird-0:68.10.0-1.el8_2", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2020-07-21T00:00:00Z"}, {"advisory": "RHSA-2020:3046", "cpe": "cpe:/a:redhat:rhel_e4s:8.0", "package": "thunderbird-0:68.10.0-1.el8_0", "product_name": "Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions", "release_date": "2020-07-21T00:00:00Z"}, {"advisory": "RHSA-2020:2907", "cpe": "cpe:/a:redhat:rhel_eus:8.1", "package": "thunderbird-0:68.10.0-1.el8_1", "product_name": "Red Hat Enterprise Linux 8.1 Extended Update Support", "release_date": "2020-07-14T00:00:00Z"}], "bugzilla": {"description": "Mozilla: Automatic account setup leaks Microsoft Exchange login credentials", "id": "1854036", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1854036"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.9", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "status": "verified"}, "cwe": "CWE-200", "details": ["If an attacker intercepts Thunderbird's initial attempt to perform automatic account setup using the Microsoft Exchange autodiscovery mechanism, and the attacker sends a crafted response, then Thunderbird sends username and password over https to a server controlled by the attacker. This vulnerability affects Thunderbird < 68.10.0."], "name": "CVE-2020-15646", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Out of support scope", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2020-06-30T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-15646\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-15646\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2020-26/#CVE-2020-15646"], "threat_severity": "Important"}

{}