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High 7.5Known exploited (CISA KEV)Published Apr 7, 2014
CVE-2014-0160The (1) TLS and (2) DTLS implementations in OpenSSL 1.0.1 before 1.0.1g do not properly handle Heartbeat Extension packets, which allows remote attackers to obtain sensitive information from process…
Updated under an hour ago ()
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It affects openssl and 27 other products. Add what you run to find out whether that includes you.
CISA lists it as known exploited since May 4, 2022; federal agencies had to remediate by May 25, 2022. Treat that date as your deadline.
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The (1) TLS and (2) DTLS implementations in OpenSSL 1.0.1 before 1.0.1g do not properly handle Heartbeat Extension packets, which allows remote attackers to obtain sensitive information from process memory via crafted packets that trigger a buffer over-read, as demonstrated by reading private keys, related to d1_both.c and t1_lib.c, aka the Heartbleed bug.
- CVSS
- 7.5 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Weakness (CWE)
- CWE-125
- Known exploited
- Added to CISA KEV May 4, 2022; federal remediation due May 25, 2022Apply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 100.00% (percentile 100)
- Assigned by
- redhat
- NVD analysis
- Analyzed
- Record last updated
- Oct 22, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
openssl openssl openssl:openssl | from 1.0.1 before 1.0.1g | NVD |
filezilla-project filezilla_server filezilla-project:filezilla_server | before 0.9.44 | NVD |
siemens application_processing_engine_firmware siemens:application_processing_engine_firmware | 2.0 | NVD |
siemens cp_1543-1_firmware siemens:cp_1543-1_firmware | 1.1 | NVD |
siemens simatic_s7-1500_firmware siemens:simatic_s7-1500_firmware | 1.5 | NVD |
siemens simatic_s7-1500t_firmware siemens:simatic_s7-1500t_firmware | 1.5 | NVD |
siemens elan-8.2 siemens:elan-8.2 | before 8.3.3 | NVD |
siemens wincc_open_architecture siemens:wincc_open_architecture | 3.12 | NVD |
intellian v100_firmware intellian:v100_firmware | 1.20; 1.21; 1.24 | NVD |
intellian v60_firmware intellian:v60_firmware | 1.15; 1.25 | NVD |
mitel micollab mitel:micollab | 6.0; 7.0; 7.1; 7.2; 7.3; 7.3.0.104 | NVD |
mitel mivoice mitel:mivoice | 1.1.2.5; 1.1.3.3; 1.2.0.11; 1.3.2.2; 1.4.0.102 | NVD |
opensuse opensuse opensuse:opensuse | 12.3; 13.1 | NVD |
canonical ubuntu_linux canonical:ubuntu_linux | 12.04; 12.10; 13.10 | NVD |
fedoraproject fedora fedoraproject:fedora | 19; 20 | NVD |
redhat gluster_storage redhat:gluster_storage | 2.1 | NVD |
redhat storage redhat:storage | 2.1 | NVD |
redhat virtualization redhat:virtualization | 6.0 | NVD |
redhat enterprise_linux_desktop redhat:enterprise_linux_desktop | 6.0 | NVD |
redhat enterprise_linux_server redhat:enterprise_linux_server | 6.0 | NVD |
redhat enterprise_linux_server_aus redhat:enterprise_linux_server_aus | 6.5 | NVD |
redhat enterprise_linux_server_eus redhat:enterprise_linux_server_eus | 6.5 | NVD |
redhat enterprise_linux_server_tus redhat:enterprise_linux_server_tus | 6.5 | NVD |
redhat enterprise_linux_workstation redhat:enterprise_linux_workstation | 6.0 | NVD |
debian debian_linux debian:debian_linux | 6.0; 7.0; 8.0 | NVD |
ricon s9922l_firmware ricon:s9922l_firmware | 16.10.3(3794) | NVD |
broadcom symantec_messaging_gateway broadcom:symantec_messaging_gateway | 10.6.0; 10.6.1 | NVD |
splunk splunk splunk:splunk | from 6.0.0 before 6.0.3 | NVD |
References
- https://support.f5.com/kb/en-us/solutions/public/15000/100/sol15159.html?sr=36517217
- http://www.securitytracker.com/id/1030077vdb-entry
- http://seclists.org/fulldisclosure/2014/Apr/90mailing-list
- http://www.getchef.com/blog/2014/04/09/chef-server-heartbleed-cve-2014-0160-releases/
- http://www.debian.org/security/2014/dsa-2896vendor-advisory
- http://marc.info/?l=bugtraq&m=139774054614965&w=2vendor-advisory, mailing-list, third-party-advisory
- http://marc.info/?l=bugtraq&m=139889113431619&w=2vendor-advisory
- http://rhn.redhat.com/errata/RHSA-2014-0396.htmlvendor-advisory
- http://marc.info/?l=bugtraq&m=139835815211508&w=2vendor-advisory
- http://marc.info/?l=bugtraq&m=141287864628122&w=2vendor-advisory
- http://www.kb.cert.org/vuls/id/720951third-party-advisory
- http://www.splunk.com/view/SP-CAAAMB3
- http://marc.info/?l=bugtraq&m=139905295427946&w=2vendor-advisory
- http://www.websense.com/support/article/kbarticle/Vulnerabilities-resolved-in-TRITON-APX-Version-8-0
- http://www.apcmedia.com/salestools/SJHN-7RKGNM/SJHN-7RKGNM_R4_EN.pdf
- http://marc.info/?l=bugtraq&m=139833395230364&w=2vendor-advisory
- http://www-01.ibm.com/support/docview.wss?uid=swg21670161
- http://www.vmware.com/security/advisories/VMSA-2014-0012.html
- http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00004.htmlvendor-advisory, mailing-list, third-party-advisory
- http://marc.info/?l=bugtraq&m=142660345230545&w=2vendor-advisory
- http://seclists.org/fulldisclosure/2014/Apr/109mailing-list
- http://marc.info/?l=bugtraq&m=140724451518351&w=2vendor-advisory
- http://www.securitytracker.com/id/1030080vdb-entry
- http://secunia.com/advisories/57836third-party-advisory
- http://www-01.ibm.com/support/docview.wss?uid=isg400001843
- http://advisories.mageia.org/MGASA-2014-0165.htmlthird-party-advisory
- http://blog.fox-it.com/2014/04/08/openssl-heartbleed-bug-live-blog/issue-tracking, third-party-advisory
- http://cogentdatahub.com/ReleaseNotes.htmlrelease-notes
- http://download.schneider-electric.com/files?p_Doc_Ref=SEVD%202014-119-01broken-link
- http://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=96db9023b881d7cd9f379b0c154650d6c108e9a3broken-link
- http://heartbleed.com/third-party-advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2014-April/131221.htmlbroken-link, third-party-advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2014-April/131291.htmlbroken-link, third-party-advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136473.htmlmailing-list, third-party-advisory
- http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00005.htmlmailing-list, third-party-advisory
- http://lists.opensuse.org/opensuse-updates/2014-04/msg00061.htmlmailing-list, third-party-advisory
- http://marc.info/?l=bugtraq&m=139722163017074&w=2mailing-list, third-party-advisory
- http://marc.info/?l=bugtraq&m=139757726426985&w=2mailing-list, third-party-advisory
- http://marc.info/?l=bugtraq&m=139757819327350&w=2mailing-list, third-party-advisory
- http://marc.info/?l=bugtraq&m=139757919027752&w=2mailing-list, third-party-advisory
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