CVE-2021-34433

Summary:

In Eclipse Californium version 2.0.0 to 2.6.4 and 3.0.0-M1 to 3.0.0-M3, the certificate based (x509 and RPK) DTLS handshakes accidentally succeeds without verifying the server side’s signature on the client side, if that signature is not included in the server’s ServerKeyExchange.

Reference Links(if available):

https://bugs.eclipse.org/bugs/show_bug.cgi?id=575281

CVSS Score (if available)

v2: / MEDIUM

v3: /

Links to Exploits(if available)