The ssl23_get_client_hello function in s23_srvr.c in OpenSSL 1.0.1 before 1.0.1i allows man-in-the-middle attackers to force the use of…

Description

The ssl23_get_client_hello function in s23_srvr.c in OpenSSL 1.0.1 before 1.0.1i allows man-in-the-middle attackers to force the use of TLS 1.0 by triggering ClientHello message fragmentation in communication between a client and server that both support later TLS versions, related to a "protocol downgrade" issue.

Scores

EPSS (exploitation in 30 days)

14.1% · top 3.4% of all CVEs (4 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.

Weakness

• n/a

Affected products

• n/a

  • affected n/a

References (61)

• openSUSE-SU-2014:1052 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• http://linux.oracle.com/errata/ELSA-2014-1052.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• 60221 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://www-01.ibm.com/support/docview.wss?uid=swg21682293 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 61184 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• SSRT101846 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
• 60022 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• https://www.openssl.org/news/secadv_20140806.txt (opens in a new tab)x_refsource_CONFIRMx_transferred
• 61017 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• RHSA-2015:0197 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• 60377 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• SSRT101818 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
• 59887 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://www-01.ibm.com/support/docview.wss?uid=swg21683389 (opens in a new tab)x_refsource_CONFIRMx_transferred
• HPSBMU03304 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
• http://www.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-372998.htm (opens in a new tab)x_refsource_CONFIRMx_transferred
• 60890 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• GLSA-201412-39 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
• http://support.f5.com/kb/en-us/solutions/public/15000/500/sol15564.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05150888 (opens in a new tab)x_refsource_CONFIRMx_transferred
• HPSBMU03260 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
• 60803 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 59700 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• FEDORA-2014-9308 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• 1030693 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158380 (opens in a new tab)x_refsource_CONFIRMx_transferred
• openssl-cve20143511-sec-bypass(95162) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
• http://www.splunk.com/view/SP-CAAANHS (opens in a new tab)x_refsource_CONFIRMx_transferred
• 60917 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://www.tenable.com/security/tns-2014-06 (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://kc.mcafee.com/corporate/index?page=content&id=SB10084 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 60493 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 59710 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 60921 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 69079 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• 61043 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 60810 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=280b1f1ad12131defcd986676a8fc9717aaa601b (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://www-01.ibm.com/support/docview.wss?uid=nas8N1020240 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 61100 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• FreeBSD-SA-14:18 (opens in a new tab)vendor-advisoryx_refsource_FREEBSDx_transferred
• 61775 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• DSA-2998 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• HPSBMU03263 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
• FEDORA-2014-9301 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• 61959 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 59756 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• https://bugzilla.redhat.com/show_bug.cgi?id=1127504 (opens in a new tab)x_refsource_CONFIRMx_transferred
• HPSBMU03267 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
• HPSBMU03261 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
• RHSA-2015:0126 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• http://aix.software.ibm.com/aix/efixes/security/openssl_advisory10.asc (opens in a new tab)x_refsource_CONFIRMx_transferred
• 58962 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://www.arubanetworks.com/support/alerts/aid-08182014.txt (opens in a new tab)x_refsource_CONFIRMx_transferred
• 60938 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 60684 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• https://support.citrix.com/article/CTX216642 (opens in a new tab)x_refsource_CONFIRMx_transferred
• [syslog-ng-announce] 20140910 syslog-ng Premium Edition 5 LTS (5.0.6a) has been released (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• https://techzone.ergon.ch/CVE-2014-3511 (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://www-01.ibm.com/support/docview.wss?uid=swg21686997 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 61139 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2014-3511](https://trackcve.app/badge/CVE-2014-3511.svg)](https://trackcve.app/cve/CVE-2014-3511)

Record last updated 6 Aug 2024, 10:43 UTC.