CVE-2020-27222 describes a denial-of-service vulnerability in Eclipse Californium versions 2.3.0 to 2.6.0. A DTLS server can enter a persistent incorrect internal state after a failed certificate-based handshake, requiring a restart to recover. This allows an unauthenticated attacker to remotely force a denial of service. The vulnerability has a CVSSv3 score of 7.5 (High) due to its network attack vector and high availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 2.3.0, <= 2.6.0CPE matchmatch criteria | cpe:2.3:a:eclipse:californium:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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