How severe is CVE-2015-4000?

This vulnerability has a severity rating of LOW with a CVSS score of 3.7 out of 10.

What type of vulnerability is CVE-2015-4000?

This is classified as CWE-310, which is a common weakness in software security.

CVE-2015-4000 - LOW Severity | CVSS 3.7

Vulnerability Description

The TLS protocol 1.2 and earlier, when a DHE_EXPORT ciphersuite is enabled on a server but not on a client, does not properly convey a DHE_EXPORT choice, which allows man-in-the-middle attackers to conduct cipher-downgrade attacks by rewriting a ClientHello with DHE replaced by DHE_EXPORT and then rewriting a ServerHello with DHE_EXPORT replaced by DHE, aka the "Logjam" issue.

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