Is CVE-2014-0160 being actively exploited?

Yes. CVE-2014-0160 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added on May 4, 2022.

What is the CVSS score for CVE-2014-0160?

CVE-2014-0160 has a CVSS 3.1 base score of 7.5 (HIGH).

CVE-2014-0160

HIGH · CVSS 7.5CISA KEV: actively exploitedEPSS 100.0%EU EUVD: exploited

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.

Key facts

CVSS score: 7.5 (v3.1)
Severity: HIGH
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE): CWE-125
EPSS score: 100.0% (100th percentile)
In CISA KEV: Yes, added May 4, 2022
In EU EUVD: Yes (EUVD-2014-0217)
Published: April 7, 2014
NVD last modified: June 17, 2026
Status: Analyzed

CISA Known Exploited Vulnerability

OpenSSL Information Disclosure Vulnerability

Added to the KEV catalog on May 4, 2022; federal remediation due May 25, 2022.

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2014-0217 in the EU Vulnerability Database. ENISA flags it as known exploited. Last updated in EUVD on October 22, 2025.

View on the EU Vulnerability Database

Affected products

broadcom / symantec messaging gateway
broadcom / symantec messaging gateway
canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
debian / debian linux
debian / debian linux
debian / debian linux
fedoraproject / fedora
fedoraproject / fedora
filezilla-project / filezilla server
intellian / v100
intellian / v100 firmware
intellian / v100 firmware
intellian / v100 firmware
intellian / v60
intellian / v60 firmware
intellian / v60 firmware
mitel / micollab
mitel / micollab
mitel / micollab
mitel / micollab
mitel / micollab
mitel / micollab
mitel / mivoice
mitel / mivoice
mitel / mivoice
mitel / mivoice
mitel / mivoice
openssl / openssl
opensuse / opensuse
opensuse / opensuse
redhat / enterprise linux desktop
redhat / enterprise linux server
redhat / enterprise linux server aus
redhat / enterprise linux server eus
redhat / enterprise linux server tus
redhat / enterprise linux workstation
redhat / gluster storage
redhat / storage
redhat / virtualization
ricon / s9922l
ricon / s9922l firmware
siemens / application processing engine
siemens / application processing engine firmware
siemens / cp 1543-1
siemens / cp 1543-1 firmware
siemens / elan-8.2
siemens / simatic s7-1500
siemens / simatic s7-1500 firmware

and 4 more…

References

http://advisories.mageia.org/MGASA-2014-0165.html(Third Party Advisory)
http://blog.fox-it.com/2014/04/08/openssl-heartbleed-bug-live-blog/(Issue Tracking, Third Party Advisory)
http://cogentdatahub.com/ReleaseNotes.html(Release Notes)
http://download.schneider-electric.com/files?p_Doc_Ref=SEVD%202014-119-01(Broken Link)
http://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=96db9023b881d7cd9f379b0c154650d6c108e9a3(Broken Link)
http://heartbleed.com/(Third Party Advisory)
http://lists.fedoraproject.org/pipermail/package-announce/2014-April/131221.html(Broken Link, Third Party Advisory)
http://lists.fedoraproject.org/pipermail/package-announce/2014-April/131291.html(Broken Link, 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/2014-04/msg00004.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00005.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-updates/2014-04/msg00061.html(Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=139722163017074&w=2(Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=139757726426985&w=2(Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=139757819327350&w=2(Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=139757919027752&w=2(Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=139758572430452&w=2(Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=139765756720506&w=2(Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=139774054614965&w=2(Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=139774703817488&w=2(Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=139808058921905&w=2(Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=139817685517037&w=2(Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=139817727317190&w=2(Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=139817782017443&w=2(Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=139824923705461&w=2(Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=139824993005633&w=2(Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=139833395230364&w=2(Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=139835815211508&w=2(Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=139835844111589&w=2(Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=139836085512508&w=2(Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=139842151128341&w=2(Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=139843768401936&w=2(Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=139869720529462&w=2(Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=139869891830365&w=2(Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=139889113431619&w=2(Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=139889295732144&w=2(Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=139905202427693&w=2(Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=139905243827825&w=2(Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=139905295427946&w=2(Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=139905351928096&w=2(Mailing List, Third Party Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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