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CVE-2021-34433 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…
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Eclipse Californium 3.0 | earliest → latest | No fix stated |
| Eclipse Californium 2.6 | earliest → 2.6.4 | No fix stated |
| Eclipse Californium 2.0 | 2.0.0 → latest | No fix stated |