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    CVE-2015-0204

    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:Jan 6, 2015
    Last Modified:Apr 12, 2025
    EPS:Jan 9, 2015
    EPSS Score:0.91911
    CVSS Score:5.3

    Affected Products

    Vendor
    Openssl
    Product
    Openssl
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Jboss Enterprise Application Platform
    Vendor
    Redhat
    Product
    Jboss Enterprise Web Server

    Exploits

    https://github.com/AbhishekGhosh/FREAK-Attack-CVE-2015-0204-Testing-Scripthttps://github.com/anthophilee/A2SV--SSL-VUL-Scanhttps://github.com/felmoltor/FreakVulnCheckerhttps://github.com/niccoX/patch-openssl-CVE-2014-0291_CVE-2015-0204https://github.com/scottjpack/Freak-Scanner

    Related CVEs

    CVE-2026-75803 (CVSS 9.1) — Issue summary: ChaCha20-Poly1305 and AES-OCB decryption with an empty ciphertext can report success without ve…
    CVE-2026-63075 (CVSS 7.5) — Issue summary: When OpenSSL processes QUIC traffic from a peer that repeatedly sends ack-eliciting packets whi…
    CVE-2026-63072 (CVSS 7.5) — Issue summary: OpenSSL CMS decryption sizes the key-unwrap output buffer based on querying the unwrapped key s…
    CVE-2026-54874 (CVSS 7.5) — Issue summary: Receiving a DTLS record for a future epoch while a handshake is in progress causes OpenSSL to b…
    CVE-2026-14457 (CVSS 7.5) — Issue summary: In a server or client configuration with RFC7250 Raw Public Keys (RPKs) enabled, and only the p…
    CVE-2026-63076 (CVSS 7.5) — Issue summary: OpenSSL CMP password based protection verification only checks whether the protectionAlg parame…
    CVE-2026-63074 (CVSS 5.9) — Issue summary: The OpenSSL Certificate Management Protocol (CMP) caches additional certificates (extraCerts) s…
    CVE-2026-63073 (CVSS 9.8) — Issue summary: OpenSSL CMP response validation passed an unexpected response sender distinguished name directl…
    CVE-2026-18798 (CVSS 7.5) — Issue summary: QUIC server may double free QRX (QUIC record layer RX) object when channel creation fails for i…
    CVE-2026-14456 (CVSS 7.5) — Issue summary: When an OpenSSL QUIC server (Listener SSL object) processes valid QUIC Initial packets for unkn…

    References

    http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10679
    http://lists.apple.com/archives/security-announce/2015/Apr/msg00001.html
    http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00021.html
    http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00027.html
    http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00026.html
    http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00014.html
    http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00015.html
    http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00022.html
    http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00031.html
    http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00000.html
    http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00001.html
    http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00003.html
    http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00004.html
    http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00006.html
    http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00005.html
    http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00011.html
    http://marc.info/?l=bugtraq&m=142496179803395&w=2
    http://marc.info/?l=bugtraq&m=142496289803847&w=2
    http://marc.info/?l=bugtraq&m=142720981827617&w=2
    http://marc.info/?l=bugtraq&m=142721102728110&w=2
    http://marc.info/?l=bugtraq&m=142895206924048&w=2
    http://marc.info/?l=bugtraq&m=143213830203296&w=2
    http://marc.info/?l=bugtraq&m=143748090628601&w=2
    http://marc.info/?l=bugtraq&m=144043644216842&w=2
    http://marc.info/?l=bugtraq&m=144050155601375&w=2
    http://marc.info/?l=bugtraq&m=144050205101530&w=2
    http://marc.info/?l=bugtraq&m=144050254401665&w=2
    http://marc.info/?l=bugtraq&m=144050297101809&w=2
    http://rhn.redhat.com/errata/RHSA-2015-0066.html
    http://rhn.redhat.com/errata/RHSA-2015-0800.html
    http://rhn.redhat.com/errata/RHSA-2015-0849.html
    http://rhn.redhat.com/errata/RHSA-2016-1650.html
    http://support.novell.com/security/cve/CVE-2015-0204.html
    http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150310-ssl
    http://www-01.ibm.com/support/docview.wss?uid=swg21883640
    http://www-304.ibm.com/support/docview.wss?uid=swg21960769
    http://www.debian.org/security/2015/dsa-3125
    http://www.mandriva.com/security/advisories?name=MDVSA-2015:019
    http://www.mandriva.com/security/advisories?name=MDVSA-2015:062
    http://www.mandriva.com/security/advisories?name=MDVSA-2015:063
    http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
    http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
    http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
    http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
    http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html
    http://www.oracle.com/technetwork/topics/security/cpuapr2015-2365600.html
    http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html
    http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
    http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
    http://www.securityfocus.com/bid/71936
    http://www.securityfocus.com/bid/91787
    http://www.securitytracker.com/id/1033378
    https://bto.bluecoat.com/security-advisory/sa88
    https://bto.bluecoat.com/security-advisory/sa91
    https://exchange.xforce.ibmcloud.com/vulnerabilities/99707
    https://freakattack.com/
    https://github.com/openssl/openssl/commit/ce325c60c74b0fa784f5872404b722e120e5cab0
    https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04773241
    https://kc.mcafee.com/corporate/index?page=content&id=SB10102
    https://kc.mcafee.com/corporate/index?page=content&id=SB10108
    https://kc.mcafee.com/corporate/index?page=content&id=SB10110
    https://security.gentoo.org/glsa/201503-11
    https://support.apple.com/HT204659
    https://support.citrix.com/article/CTX216642
    https://www.openssl.org/news/secadv_20150108.txt
    https://www.openssl.org/news/secadv_20150319.txt
    http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10679
    http://lists.apple.com/archives/security-announce/2015/Apr/msg00001.html
    http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00021.html
    http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00027.html
    http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00026.html
    http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00014.html
    http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00015.html
    http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00022.html
    http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00031.html
    http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00000.html
    http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00001.html
    http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00003.html
    http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00004.html
    http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00006.html
    http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00005.html
    http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00011.html
    http://marc.info/?l=bugtraq&m=142496179803395&w=2
    http://marc.info/?l=bugtraq&m=142496289803847&w=2
    http://marc.info/?l=bugtraq&m=142720981827617&w=2
    http://marc.info/?l=bugtraq&m=142721102728110&w=2
    http://marc.info/?l=bugtraq&m=142895206924048&w=2
    http://marc.info/?l=bugtraq&m=143213830203296&w=2
    http://marc.info/?l=bugtraq&m=143748090628601&w=2
    http://marc.info/?l=bugtraq&m=144043644216842&w=2
    http://marc.info/?l=bugtraq&m=144050155601375&w=2
    http://marc.info/?l=bugtraq&m=144050205101530&w=2
    http://marc.info/?l=bugtraq&m=144050254401665&w=2
    http://marc.info/?l=bugtraq&m=144050297101809&w=2
    http://rhn.redhat.com/errata/RHSA-2015-0066.html
    http://rhn.redhat.com/errata/RHSA-2015-0800.html
    http://rhn.redhat.com/errata/RHSA-2015-0849.html
    http://rhn.redhat.com/errata/RHSA-2016-1650.html
    http://support.novell.com/security/cve/CVE-2015-0204.html
    http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150310-ssl
    http://www-01.ibm.com/support/docview.wss?uid=swg21883640
    http://www-304.ibm.com/support/docview.wss?uid=swg21960769
    http://www.debian.org/security/2015/dsa-3125
    http://www.mandriva.com/security/advisories?name=MDVSA-2015:019
    http://www.mandriva.com/security/advisories?name=MDVSA-2015:062
    http://www.mandriva.com/security/advisories?name=MDVSA-2015:063
    http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
    http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
    http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
    http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
    http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html
    http://www.oracle.com/technetwork/topics/security/cpuapr2015-2365600.html
    http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html
    http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
    http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
    http://www.securityfocus.com/bid/71936
    http://www.securityfocus.com/bid/91787
    http://www.securitytracker.com/id/1033378
    https://bto.bluecoat.com/security-advisory/sa88
    https://bto.bluecoat.com/security-advisory/sa91
    https://exchange.xforce.ibmcloud.com/vulnerabilities/99707
    https://freakattack.com/
    https://github.com/openssl/openssl/commit/ce325c60c74b0fa784f5872404b722e120e5cab0
    https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04773241
    https://kc.mcafee.com/corporate/index?page=content&id=SB10102
    https://kc.mcafee.com/corporate/index?page=content&id=SB10108
    https://kc.mcafee.com/corporate/index?page=content&id=SB10110
    https://security.gentoo.org/glsa/201503-11
    https://support.apple.com/HT204659
    https://support.citrix.com/article/CTX216642
    https://www.openssl.org/news/secadv_20150108.txt
    https://www.openssl.org/news/secadv_20150319.txt

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High