CVE-2021-34433 affects Eclipse Californium versions 2.0.0 to 2.6.4 and 3.0.0-M1 to 3.0.0-M3, allowing DTLS handshakes to succeed without proper server signature verification if the signature is missing from the ServerKeyExchange. This vulnerability carries a CVSS score of 7.5 (HIGH), indicating a network-based attack with low complexity that can lead to high integrity impact without requiring user interaction. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 2.0.0, < 2.6.5CPE matchmatch criteria | cpe:2.3:a:eclipse:californium:*:*:*:*:*:*:*:* | ||
3.0.0CPE matchmatch criteria | cpe:2.3:a:eclipse:californium:3.0.0:m1:*:*:*:*:*:* | ||
3.0.0CPE matchmatch criteria | cpe:2.3:a:eclipse:californium:3.0.0:m2:*:*:*:*:*:* | ||
3.0.0CPE matchmatch criteria | cpe:2.3:a:eclipse:californium:3.0.0:m3:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.