CVE-2021-34433 - Vulnerability Details - 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

This CVE is not in the KEV list.

The EPSS score is 0.00048.

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.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2021-21089	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.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

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 : Modified

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

Modified: 2024-11-21T06:10:24.130

Link: CVE-2021-34433

Redhat

No data.

OpenCVE Enrichment

No data.

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