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CVE-2014-0160

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…

Description

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.

Exploited in the wild

CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as OpenSSL Information Disclosure Vulnerability.

Added
4 May 2022
Fix due (US federal)
25 May 2022
Used by ransomware
Not known

Apply updates per vendor instructions.

ENISA's EU Vulnerability Database lists it as exploited, from CISA's KEV, since 4 May 2022.

Public exploit

An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list 2 Metasploit modules and 4 Exploit-DB entries for it. 2 references of the record are tagged as an exploit. CISA's SSVC rates its exploitation: it is being exploited.

Show the exploits8

Metasploit modules2 modules

Exploit-DB4 entries

References tagged exploit2 references

Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from

Timeline

  1. ID reserved

    By redhat

  2. · 4 months later

    Published

  3. · 8 years later

    Added to CISA KEV

    Known exploited in the wild

  4. · 3 years later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2014-0160, by who scored it
Scored byCVSSScoreVector
CISA-ADPADP (enrichment)3.1High7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVDNVD · Analyzed3.1High7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS (exploitation in 30 days)
100.0% · top 0.1% of all CVEs (9 Nov 2026)
CISA SSVC
Exploitation: active · Automatable: yes · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.

Affected products

  • n/a

    • affected n/a

References

129

Sources

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

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Record last updated .