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CVE-2014-0160

7.5
HIGHCVSS v3.1 Base Score
94.46%
HIGH RiskEPSS (100th percentile)
KEV

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.

Published: 4/7/2014
Modified: 4/21/2026
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ACTIVELY EXPLOITED IN THE WILD

This vulnerability is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

Vulnerability Name:

OpenSSL Information Disclosure Vulnerability

Vendor / Product:

OpenSSL OpenSSL

Required Action:

Apply updates per vendor instructions.

Due Date: 5/25/2022(OVERDUE)
Added to KEV:

5/4/2022

Notes:

https://nvd.nist.gov/vuln/detail/CVE-2014-0160

Vulnerability Summary

CVSS v3 Score

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v2 Score

5

AV:N/AC:L/Au:N/C:P/I:N/A:N

EPSS Score (Exploitation Probability)

94.46%HIGH Exploitation Risk
100th percentile

This vulnerability has a 94.46% probability of being exploited in the next 30 days, ranking higher than 100% of all scored CVEs.

CWE Classification

Related Vulnerabilities

Same Weakness Type(CWE-125)

Similar SeverityHIGH