{"id":"CVE-2015-0204","url":"https://www.cyber-defence.io/tools/cve/CVE-2015-0204","generatedAt":"2026-11-05T06:39:02.577Z","title":"The ssl3_get_key_exchange function in s3_clnt.c in OpenSSL before 0.9.8zd, 1.0.0 before 1.0.0p, and 1.0.1 before 1.0.1k allows remote SSL servers to conduct RSA-to-EXPORT_RSA downgrade attacks and facilitate brute-force decryption by offering a weak…","description":"The ssl3_get_key_exchange function in s3_clnt.c in OpenSSL before 0.9.8zd, 1.0.0 before 1.0.0p, and 1.0.1 before 1.0.1k allows remote SSL servers to conduct RSA-to-EXPORT_RSA downgrade attacks and facilitate brute-force decryption by offering a weak ephemeral RSA key in a noncompliant role, related to the \"FREAK\" issue.  NOTE: the scope of this CVE is only client code based on OpenSSL, not EXPORT_RSA issues associated with servers or other TLS implementations.","published":"2015-01-09T02:59:10.000Z","lastModified":"2026-10-14T22:17:02.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"2.0","score":4.3,"severity":"MEDIUM","vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N"},"cwe":["CWE-310"],"affected":["openssl/openssl"],"epss":{"score":0.98685,"percentile":0.99924,"date":"2026-11-04","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 98.7%, higher than 100% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10679","source":"secalert@redhat.com"},{"url":"http://lists.apple.com/archives/security-announce/2015/Apr/msg00001.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00021.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00027.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00026.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00014.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00015.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00022.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00031.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00000.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00001.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00003.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00004.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00006.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00005.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00011.html","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=142496179803395&w=2","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=142496289803847&w=2","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=142720981827617&w=2","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=142721102728110&w=2","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=142895206924048&w=2","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=143213830203296&w=2","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=143748090628601&w=2","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=144043644216842&w=2","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=144050155601375&w=2","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=144050205101530&w=2","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=144050254401665&w=2","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=144050297101809&w=2","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-0066.html","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-0800.html","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-0849.html","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2016-1650.html","source":"secalert@redhat.com"},{"url":"http://support.novell.com/security/cve/CVE-2015-0204.html","source":"secalert@redhat.com"},{"url":"http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150310-ssl","source":"secalert@redhat.com"},{"url":"http://www-01.ibm.com/support/docview.wss?uid=swg21883640","source":"secalert@redhat.com"},{"url":"http://www-304.ibm.com/support/docview.wss?uid=swg21960769","source":"secalert@redhat.com"},{"url":"http://www.debian.org/security/2015/dsa-3125","source":"secalert@redhat.com"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2015:019","source":"secalert@redhat.com"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2015:062","source":"secalert@redhat.com"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2015:063","source":"secalert@redhat.com"},{"url":"http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html","source":"secalert@redhat.com"},{"url":"http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html","source":"secalert@redhat.com"},{"url":"http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html","source":"secalert@redhat.com"},{"url":"http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html","source":"secalert@redhat.com"},{"url":"http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html","source":"secalert@redhat.com"},{"url":"http://www.oracle.com/technetwork/topics/security/cpuapr2015-2365600.html","source":"secalert@redhat.com"},{"url":"http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html","source":"secalert@redhat.com"},{"url":"http://w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Advisory"],"source":"secalert@redhat.com"},{"url":"https://github.com/openssl/openssl/commit/ce325c60c74b0fa784f5872404b722e120e5cab0","source":"secalert@redhat.com"},{"url":"https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04773241","source":"secalert@redhat.com"},{"url":"https://kc.mcafee.com/corporate/index?page=content&id=SB10102","source":"secalert@redhat.com"},{"url":"https://kc.mcafee.com/corporate/index?page=content&id=SB10108","source":"secalert@redhat.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2015-0204","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}