Security Advisory
CVE-2021-34433
7.5
HIGH
Vulnerability Description
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.
Published Date
August 20, 2021
Official Source
NIST NVD Advisory