CyberRota Analysis
This is a low severity vulnerability with a CVSS score of 3.7. Its EPSS score suggests a 99.9% probability of exploitation in the next 30 days.
CVE
CVE-2015-4000
Severity
LOW
CVSS
3.7
EPSS
99.86%
Original NVD 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.