CVE & CISA-KEV Catalog

CVE-2014-0224

HIGHEPSS 100th pctl
7.4
CVSS v3
NVD

Description

OpenSSL before 0.9.8za, 1.0.0 before 1.0.0m, and 1.0.1 before 1.0.1h does not properly restrict processing of ChangeCipherSpec messages, which allows man-in-the-middle attackers to trigger use of a zero-length master key in certain OpenSSL-to-OpenSSL communications, and consequently hijack sessions or obtain sensitive information, via a crafted TLS handshake, aka the "CCS Injection" vulnerability.

CWE-326

How to fix

Remediation Available
opensslDebian
Fixed in:1.0.1h-1CVE-2014-0224
Fixed in:1.0.1h-1CVE-2014-0224
Fixed in:1.0.1h-1CVE-2014-0224
Fixed in:1.0.1h-1CVE-2014-0224
libssl1.0.0Ubuntu
Fixed in:1.0.1f-1ubuntu2.2USN-2232-1
opensslUbuntu
Fixed in:1.0.1f-1ubuntu2.2USN-2232-1
MariaDBWindows application
Affected:10.0.0 10.0.13Fixed in:10.0.13MariaDB Corporation Ab
Node.jsWindows application
Affected:0.10.29Fixed in:0.10.29Node.js Foundation
Node.js (LTS)Windows application
Affected:0.10.29Fixed in:0.10.29Node.js Foundation
Python 2Windows application
Affected:2.7.0 2.7.8Fixed in:2.7.8Python Software Foundation
Affected:3.4.0 3.4.2Fixed in:3.4.2Python Software Foundation
Python 3.10Windows application
Affected:2.7.0 2.7.8Fixed in:2.7.8Python Software Foundation
Affected:3.4.0 3.4.2Fixed in:3.4.2Python Software Foundation
Python 3.11Windows application
Affected:2.7.0 2.7.8Fixed in:2.7.8Python Software Foundation
Affected:3.4.0 3.4.2Fixed in:3.4.2Python Software Foundation
Python 3.12Windows application
Affected:2.7.0 2.7.8Fixed in:2.7.8Python Software Foundation
Affected:3.4.0 3.4.2Fixed in:3.4.2Python Software Foundation
Python 3.8Windows application
Affected:2.7.0 2.7.8Fixed in:2.7.8Python Software Foundation
Affected:3.4.0 3.4.2Fixed in:3.4.2Python Software Foundation
Python 3.9Windows application
Affected:3.4.0 3.4.2Fixed in:3.4.2Python Software Foundation
Affected:2.7.0 2.7.8Fixed in:2.7.8Python Software Foundation

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Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityHigh
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityNone

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

Exploit Intelligence

95.33%probability of exploitation in 30 days
100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

References

Related Vulnerabilities

Other CWE-326 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2017-1000486Critical9.894%KEVFix
CVE-2013-2566Medium5.984%-Fix
CVE-2017-11317Critical9.883%KEV-
CVE-2018-18325High7.574%KEV-
CVE-2018-15811High7.574%KEV-
CVE-2011-3389Medium4.373%-Fix
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.