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Status published
High
CVE-2021-34433
In Eclipse Californium version 2.0.0 to 2.6.4 and 3.0.0-M1 to...
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
The Eclipse Foundation
View all reports →Affected Software
Eclipse Californium
Vulnerable Versions:
2.0.0, unspecified, 3.0.0-M1
Timeline
Official Publish:
August 20th, 2021
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weaknesses (CWE)
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.