CVE-2014-0160OpenSSL Information Disclosure Vulnerability

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.

7.5 HIGHEPSS 99.99%⚡ Known Exploited (CISA KEV)NVD: Analyzed

Last updated: 2026-06-17 00:02 UTC

OverviewCVSS details

7.5HIGHCVSS 3.1

Score source: NVD
NVD status: Analyzed
Published: Apr 7, 2014
Assigner: redhat

Affected

openssl (openssl)

Versions: 1.0.1 before 1.0.1g
Fixed in: 1.0.1g

+27 more products →

Exploitation

Public exploit: Yes · 5 references
CISA KEV: Listed · May 4, 2022
KEV due date: May 25, 2022
Ransomware use: Unknown
SSVC: Exploitation active · Automatable yes · Impact partial

EPSS · FIRST, scored Nov 7

99.99%chance of exploitation in 30 days

Higher than 99.99% of CVEs

CVSS 3.1 · NVD

7.5High

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

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: None
Availability impact: None

CVSS 2.0 · NVD

5.0Medium

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

Attack vector: Network
Attack complexity: Low
Authentication: None
Confidentiality impact: Partial
Integrity impact: None
Availability impact: None

NVD status: Analyzed

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
7.5	HIGH	3.1NVD	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
5.0	MEDIUM	2.0NVD	AV:N/AC:L/Au:N/C:P/I:N/A:N

CISA required action

⚡ Known exploited · remediation due May 25, 2022

Apply updates per vendor instructions.

Details

CVE ID: CVE-2014-0160
Status: Analyzed
Assigner (CNA): redhat
Published: Apr 7, 2014
Last modified: 2026-06-17 00:02 UTC
Weaknesses: CWE-125

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-08 13:47 UTC.