CVE & CISA-KEV Catalog

CVE-2014-3616

MEDIUMEPSS 92th pctl
4.3
CVSS v2
NVD

Description

nginx 0.5.6 through 1.7.4, when using the same shared ssl_session_cache or ssl_session_ticket_key for multiple servers, can reuse a cached SSL session for an unrelated context, which allows remote attackers with certain privileges to conduct "virtual host confusion" attacks.

How to fix

Remediation Available
nginxDebian
Fixed in:1.6.2-1CVE-2014-3616
Fixed in:1.6.2-1CVE-2014-3616
Fixed in:1.6.2-1CVE-2014-3616
Fixed in:1.6.2-1CVE-2014-3616
nginxUbuntu
Fixed in:1.4.6-1ubuntu3.1USN-2351-1
nginx-coreUbuntu
Fixed in:1.4.6-1ubuntu3.1USN-2351-1
nginx-extrasUbuntu
Fixed in:1.4.6-1ubuntu3.1USN-2351-1
nginx-fullUbuntu
Fixed in:1.4.6-1ubuntu3.1USN-2351-1
nginx-lightUbuntu
Fixed in:1.4.6-1ubuntu3.1USN-2351-1
nginx-naxsiUbuntu
Fixed in:1.4.6-1ubuntu3.1USN-2351-1

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

5.65%probability of exploitation in 30 days
92ndpercentile

High risk: more likely to be exploited than 92% of all known CVEs.

References

Vendor Advisory1
Third-Party Advisory1

Related Vulnerabilities

Other CWE-613 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2014-2595Critical9.817%--
CVE-2023-30403High7.514%--
CVE-2020-27422Critical9.87.8%--
CVE-2021-3144Critical9.15.2%-Fix
CVE-2021-24019High8.13.9%-Fix
CVE-2020-8234Critical9.83.4%-Fix

Common questions

How do I fix CVE-2014-3616?

Published advisories record a fix for 7 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2014-3616 being actively exploited?

Not that we know of. CVE-2014-3616 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 5.7% is the estimated probability that it will be exploited in the next 30 days. That is higher than 92% of all scored CVEs.

How severe is CVE-2014-3616?

CVE-2014-3616 has a CVSS v2 base score of 4.3, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2014-3616 affect?

Published advisories record a fix for nginx (Debian), nginx (Ubuntu), nginx-core (Ubuntu), nginx-extras (Ubuntu), and 3 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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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.