CVE-2014-0221

The dtls1_get_message_fragment function in d1_both.c in OpenSSL before 0.9.8za, 1.0.0 before 1.0.0m, and 1.0.1 before 1.0.1h allows remote attackers to cause a denial of service (recursion and client crash) via a DTLS hello message in an invalid DTLS handshake.

Published: 2014-06-05 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2014-0221 is rated Moderate Risk (51.7/100): CVSS Medium severity, with high exploitation likelihood (EPSS 82.10%, 99th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2014-0221

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-04-27 82.33% 82.10% -0.23%
2 2026-04-21 82.10% 82.33% +0.23%
3 2026-04-03 — 82.10% —

Full EPSS history (55 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-0221

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2014-0221

OS Trackers for CVE-2014-0221

vendor priority summary link
debian not yet assigned CVE-2014-0221 not yet assigned priority: Debian including 1 source packages (openssl), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2014-0221
gentoo high CVE-2014-0221: 1 GLSA(s) (201407-05), 1 atom(s) (dev-libs/openssl); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2014-0221
redhat medium — https://access.redhat.com/security/cve/CVE-2014-0221
suse medium CVE-2014-0221 severity moderate: SUSE including 241 source package names (compat-openssl098, libmysqlclient-devel-10.0.16-15.1, …), 567 product×package rows across 71 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 6, … (71 product lines)): Fixed 373, Known Not Affected 194. https://www.suse.com/security/cve/CVE-2014-0221/
ubuntu medium CVE-2014-0221 medium priority: Ubuntu including 2 source packages (openssl, openssl098), 10 status rows across 5 suites (lucid, precise, saucy, trusty, upstream): released 9, DNE 1. https://ubuntu.com/security/CVE-2014-0221

Affected software / configurations for CVE-2014-0221

Vendor Product Version Raw CPE
openssl openssl >= 0.9.8, < 0.9.8za cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*
openssl openssl >= 1.0.0, < 1.0.0m cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*
openssl openssl >= 1.0.1, < 1.0.1h cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*
redhat storage 2.1 cpe:2.3:a:redhat:storage:2.1:*:*:*:*:*:*:*
fedoraproject fedora — cpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*
redhat enterprise_linux 5 cpe:2.3:o:redhat:enterprise_linux:5:*:*:*:*:*:*:*
redhat enterprise_linux 6.0 cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
mariadb mariadb >= 10.0.0, < 10.0.13 cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*
fedoraproject fedora 19 cpe:2.3:o:fedoraproject:fedora:19:*:*:*:*:*:*:*
fedoraproject fedora 20 cpe:2.3:o:fedoraproject:fedora:20:*:*:*:*:*:*:*
opensuse leap 42.1 cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*
opensuse opensuse 13.2 cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
suse linux_enterprise_desktop 12 cpe:2.3:o:suse:linux_enterprise_desktop:12:-:*:*:*:*:*:*
suse linux_enterprise_server 12 cpe:2.3:o:suse:linux_enterprise_server:12:-:*:*:*:*:*:*
suse linux_enterprise_software_development_kit 12 cpe:2.3:o:suse:linux_enterprise_software_development_kit:12:-:*:*:*:*:*:*
suse linux_enterprise_workstation_extension 12 cpe:2.3:o:suse:linux_enterprise_workstation_extension:12:-:*:*:*:*:*:*

References for CVE-2014-0221

URL Tags
http://aix.software.ibm.com/aix/efixes/security/openssl_advisory9.asc Third Party Advisory
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10629 Third Party Advisory
http://linux.oracle.com/errata/ELSA-2014-1053.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136470.html Mailing List Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136473.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00016.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00011.html Mailing List Third Party Advisory
http://marc.info/?l=bugtraq&m=140266410314613&w=2 Mailing List Third Party Advisory
http://marc.info/?l=bugtraq&m=140317760000786&w=2 Mailing List Third Party Advisory
http://marc.info/?l=bugtraq&m=140389274407904&w=2 Mailing List Third Party Advisory
http://marc.info/?l=bugtraq&m=140389355508263&w=2 Mailing List Third Party Advisory
http://marc.info/?l=bugtraq&m=140431828824371&w=2 Mailing List Third Party Advisory
http://marc.info/?l=bugtraq&m=140448122410568&w=2 Mailing List Third Party Advisory
http://marc.info/?l=bugtraq&m=140482916501310&w=2 Mailing List Third Party Advisory
http://marc.info/?l=bugtraq&m=140491231331543&w=2 Mailing List Third Party Advisory
http://marc.info/?l=bugtraq&m=140499827729550&w=2 Mailing List Third Party Advisory
http://marc.info/?l=bugtraq&m=140621259019789&w=2 Mailing List Third Party Advisory
http://marc.info/?l=bugtraq&m=140752315422991&w=2 Mailing List Third Party Advisory
http://marc.info/?l=bugtraq&m=140904544427729&w=2 Mailing List Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2014-1021.html Broken Link
http://seclists.org/fulldisclosure/2014/Dec/23 Mailing List Third Party Advisory
http://secunia.com/advisories/58337 Not Applicable
http://secunia.com/advisories/58615 Not Applicable
http://secunia.com/advisories/58713 Not Applicable
http://secunia.com/advisories/58714 Not Applicable
http://secunia.com/advisories/58939 Not Applicable
http://secunia.com/advisories/58945 Not Applicable
http://secunia.com/advisories/58977 Not Applicable
http://secunia.com/advisories/59027 Not Applicable
http://secunia.com/advisories/59120 Not Applicable
http://secunia.com/advisories/59126 Not Applicable
http://secunia.com/advisories/59162 Not Applicable
http://secunia.com/advisories/59167 Not Applicable
http://secunia.com/advisories/59175 Not Applicable
http://secunia.com/advisories/59189 Not Applicable
http://secunia.com/advisories/59192 Not Applicable
http://secunia.com/advisories/59221 Not Applicable
http://secunia.com/advisories/59284 Not Applicable
http://secunia.com/advisories/59287 Not Applicable
http://secunia.com/advisories/59300 Not Applicable
http://secunia.com/advisories/59301 Not Applicable
http://secunia.com/advisories/59306 Not Applicable
http://secunia.com/advisories/59310 Not Applicable
http://secunia.com/advisories/59342 Not Applicable
http://secunia.com/advisories/59364 Not Applicable
http://secunia.com/advisories/59365 Not Applicable
http://secunia.com/advisories/59413 Not Applicable
http://secunia.com/advisories/59429 Not Applicable
http://secunia.com/advisories/59437 Not Applicable
http://secunia.com/advisories/59441 Not Applicable
http://secunia.com/advisories/59449 Not Applicable
http://secunia.com/advisories/59450 Not Applicable
http://secunia.com/advisories/59451 Not Applicable
http://secunia.com/advisories/59454 Not Applicable
http://secunia.com/advisories/59460 Not Applicable
http://secunia.com/advisories/59490 Not Applicable
http://secunia.com/advisories/59491 Not Applicable
http://secunia.com/advisories/59495 Not Applicable
http://secunia.com/advisories/59514 Not Applicable
http://secunia.com/advisories/59518 Not Applicable
http://secunia.com/advisories/59528 Not Applicable
http://secunia.com/advisories/59655 Not Applicable
http://secunia.com/advisories/59659 Not Applicable
http://secunia.com/advisories/59666 Not Applicable
http://secunia.com/advisories/59669 Not Applicable
http://secunia.com/advisories/59721 Not Applicable
http://secunia.com/advisories/59784 Not Applicable
http://secunia.com/advisories/59895 Not Applicable
http://secunia.com/advisories/59990 Not Applicable
http://secunia.com/advisories/60571 Not Applicable
http://secunia.com/advisories/60687 Not Applicable
http://secunia.com/advisories/61254 Not Applicable
http://security.gentoo.org/glsa/glsa-201407-05.xml Third Party Advisory
http://support.apple.com/kb/HT6443 Third Party Advisory
http://support.citrix.com/article/CTX140876 Third Party Advisory
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140605-openssl Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=isg400001841 Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=isg400001843 Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=nas8N1020163 Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg21673137 Broken Link
http://www-01.ibm.com/support/docview.wss?uid=swg21675821 Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg21676035 Broken Link
http://www-01.ibm.com/support/docview.wss?uid=swg21676062 Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg21676071 Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg21676419 Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg21676879 Broken Link
http://www-01.ibm.com/support/docview.wss?uid=swg21676889 Broken Link
http://www-01.ibm.com/support/docview.wss?uid=swg21677527 Broken Link
http://www-01.ibm.com/support/docview.wss?uid=swg21677695 Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg21677828 Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg21678167 Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg21678289 Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg21683332 Third Party Advisory
http://www-947.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5095754 Broken Link
http://www-947.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5095755 Broken Link
http://www-947.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5095756 Broken Link
http://www-947.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5095757 Broken Link
http://www.blackberry.com/btsc/KB36051 Third Party Advisory
http://www.fortiguard.com/advisory/FG-IR-14-018/ Third Party Advisory
http://www.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-345106.htm Third Party Advisory
http://www.ibm.com/support/docview.wss?uid=swg21676226 Broken Link
http://www.ibm.com/support/docview.wss?uid=swg21676356 Third Party Advisory
http://www.ibm.com/support/docview.wss?uid=swg21676793 Broken Link
http://www.ibm.com/support/docview.wss?uid=swg24037783 Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2014:105 Broken Link
http://www.mandriva.com/security/advisories?name=MDVSA-2014:106 Broken Link
http://www.mandriva.com/security/advisories?name=MDVSA-2015:062 Broken Link
http://www.novell.com/support/kb/doc.php?id=7015264 Third Party Advisory
http://www.novell.com/support/kb/doc.php?id=7015300 Third Party Advisory
http://www.openssl.org/news/secadv_20140605.txt Vendor Advisory
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html Patch Third Party Advisory
http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/cpujul2014-1972956.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/cpuoct2014-1972960.html Third Party Advisory
http://www.securityfocus.com/archive/1/534161/100/0/threaded Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/67901 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1030337 Broken Link Third Party Advisory VDB Entry
http://www.vmware.com/security/advisories/VMSA-2014-0006.html Third Party Advisory
http://www.vmware.com/security/advisories/VMSA-2014-0012.html Third Party Advisory
http://www14.software.ibm.com/webapp/set2/subscriptions/pqvcmjd?mode=18&ID=6060&myns=phmc&mync=E Broken Link
http://www14.software.ibm.com/webapp/set2/subscriptions/pqvcmjd?mode=18&ID=6061&myns=phmc&mync=E Broken Link
https://bugzilla.redhat.com/show_bug.cgi?id=1103593 Issue Tracking Patch Third Party Advisory
https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=d3152655d5319ce883c8e3ac4b99f8de4c59d846
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05301946 Third Party Advisory
https://kb.bluecoat.com/index?page=content&id=SA80 Broken Link
https://kc.mcafee.com/corporate/index?page=content&id=SB10075 Broken Link
https://www.novell.com/support/kb/doc.php?id=7015271 Third Party Advisory
cvelogic Threat Intelligence