2 weeks ago 91

Awaiting Analysis

This vulnerability is presently awaiting analysis.


A vulnerability palmy the Connectivity Fault Management (CFM) diagnostic of Cisco IOS XR Software could fto an unauthenticated, distant attacker to basal a denial of enactment (DoS) accusation connected an affected device. This vulnerability is owed to incorrect processing of invalid continuity cheque messages (CCMs). An attacker could exploit this vulnerability by sending crafted CCMs to an affected device. A palmy exploit could fto the attacker to basal the CFM enactment to clang erstwhile a idiosyncratic displays accusation astir attraction extremity points (MEPs) for adjacent MEPs connected an affected device.


CVSS 3.x Severity and Metrics:



Base Score:  N/A

NVD score not yet provided.

Nist CVSS extremist        does not lucifer  with CNA score

CNA:  Cisco Systems, Inc.

Vector:  CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

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Change History

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