CVE-2021-34433 - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

AV:N/AC:L/Au:N/C:N/I:P/A:N

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Eclipse	Californium

Configuration 1 [-]

OR	cpe:2.3:a:eclipse:californium::::::::
	cpe:2.3:a:eclipse:californium:3.0.0:m1::::::
	cpe:2.3:a:eclipse:californium:3.0.0:m2::::::
	cpe:2.3:a:eclipse:californium:3.0.0:m3::::::

No data.

References

Link	Providers
https://bugs.eclipse.org/bugs/show_bug.cgi?id=575281

History

No history.

MITRE

Status: PUBLISHED

Assigner: eclipse

Published: 2021-08-20T17:10:10

Updated: 2024-08-04T00:12:50.235Z

Reserved: 2021-06-09T00:00:00

Link: CVE-2021-34433

Vulnrichment

No data.

NVD

Status : Analyzed

Published: 2021-08-20T17:15:07.687

Modified: 2021-08-26T14:02:34.797

Link: CVE-2021-34433

Redhat

No data.

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