{"api_version":"1","generated_at":"2026-04-23T02:35:26+00:00","cve":"CVE-2019-1563","urls":{"html":"https://cve.report/CVE-2019-1563","api":"https://cve.report/api/cve/CVE-2019-1563.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2019-1563","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-1563"},"summary":{"title":"CVE-2019-1563","description":"In situations where an attacker receives automated notification of the success or failure of a decryption attempt an attacker, after sending a very large number of messages to be decrypted, can recover a CMS/PKCS7 transported encryption key or decrypt any RSA encrypted message that was encrypted with the public RSA key, using a Bleichenbacher padding oracle attack. Applications are not affected if they use a certificate together with the private RSA key to the CMS_decrypt or PKCS7_decrypt functions to select the correct recipient info to decrypt. Fixed in OpenSSL 1.1.1d (Affected 1.1.1-1.1.1c). Fixed in OpenSSL 1.1.0l (Affected 1.1.0-1.1.0k). Fixed in OpenSSL 1.0.2t (Affected 1.0.2-1.0.2s).","state":"PUBLIC","assigner":"openssl-security@openssl.org","published_at":"2019-09-10 17:15:00","updated_at":"2023-11-07 03:08:00"},"problem_types":["CWE-327","CWE-203"],"metrics":[],"references":[{"url":"https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=e21f8cf78a125cd3c8c0d1a1a6c8bb0b901f893f","name":"https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=e21f8cf78a125cd3c8c0d1a1a6c8bb0b901f893f","refsource":"CONFIRM","tags":["Mailing List","Patch","Vendor Advisory"],"title":"git.openssl.org Git - openssl.git/commitdiff","mime":"text/xml","httpstatus":"200","archivestatus":"200"},{"url":"https://www.debian.org/security/2019/dsa-4539","name":"DSA-4539","refsource":"DEBIAN","tags":[],"title":"Debian -- Security Information -- DSA-4539-1 openssl","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GY6SNRJP2S7Y42GIIDO3HXPNMDYN2U3A/","name":"FEDORA-2019-d15aac6c4e","refsource":"FEDORA","tags":[],"title":"[SECURITY] Fedora 30 Update: openssl-1.1.1d-1.fc30 - 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Applications are not affected if they use a certificate together with the private RSA key to the CMS_decrypt or PKCS7_decrypt functions to select the correct recipient info to decrypt. Fixed in OpenSSL 1.1.1d (Affected 1.1.1-1.1.1c). Fixed in OpenSSL 1.1.0l (Affected 1.1.0-1.1.0k). Fixed in OpenSSL 1.0.2t (Affected 1.0.2-1.0.2s)."}]},"impact":[{"lang":"eng","url":"https://www.openssl.org/policies/secpolicy.html#Low","value":"Low"}],"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Padding Oracle"}]}]},"references":{"reference_data":[{"refsource":"BUGTRAQ","name":"20190912 [slackware-security] openssl (SSA:2019-254-03)","url":"https://seclists.org/bugtraq/2019/Sep/25"},{"refsource":"SUSE","name":"openSUSE-SU-2019:2158","url":"http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00054.html"},{"refsource":"FEDORA","name":"FEDORA-2019-d15aac6c4e","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GY6SNRJP2S7Y42GIIDO3HXPNMDYN2U3A/"},{"refsource":"SUSE","name":"openSUSE-SU-2019:2189","url":"http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00072.html"},{"refsource":"MLIST","name":"[debian-lts-announce] 20190925 [SECURITY] [DLA 1932-1] openssl security 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17:15:00","lastModifiedDate":"2023-11-07 03:08:00","problem_types":["CWE-327","CWE-203"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":3.7,"baseSeverity":"LOW"},"exploitabilityScore":2.2,"impactScore":1.4},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:P/I:N/A:N","accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":4.3},"severity":"MEDIUM","exploitabilityScore":8.6,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*","versionStartIncluding":"1.1.1","versionEndIncluding":"1.1.1c","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*","versionStartIncluding":"1.0.2","versionEndIncluding":"1.0.2s","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*","versionStartIncluding":"1.1.0","versionEndIncluding":"1.1.0k","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2019","CveId":"1563","Ordinal":"138055","Title":"CVE-2019-1563","CVE":"CVE-2019-1563","Year":"2019"},"notes":[{"CveYear":"2019","CveId":"1563","Ordinal":"1","NoteData":"In situations where an attacker receives automated notification of the success or failure of a decryption attempt an attacker, after sending a very large number of messages to be decrypted, can recover a CMS/PKCS7 transported encryption key or decrypt any RSA encrypted message that was encrypted with the public RSA key, using a Bleichenbacher padding oracle attack. Applications are not affected if they use a certificate together with the private RSA key to the CMS_decrypt or PKCS7_decrypt functions to select the correct recipient info to decrypt. Fixed in OpenSSL 1.1.1d (Affected 1.1.1-1.1.1c). Fixed in OpenSSL 1.1.0l (Affected 1.1.0-1.1.0k). Fixed in OpenSSL 1.0.2t (Affected 1.0.2-1.0.2s).","Type":"Description","Title":null},{"CveYear":"2019","CveId":"1563","Ordinal":"2","NoteData":"2019-09-10","Type":"Other","Title":"Published"},{"CveYear":"2019","CveId":"1563","Ordinal":"3","NoteData":"2021-07-31","Type":"Other","Title":"Modified"}]}}}