7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.8 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
Cisco has released a security advisory on a vulnerability—CVE-2020-3566—in the Distance Vector Multicast Routing Protocol (DVMRP) feature of Cisco IOS XR software. This vulnerability affects Cisco devices running IOS XR software that have an active interface configured under multicast routing. A remote attacker could exploit this vulnerability to exhaust process memory of an affected device. This vulnerability was detected in exploits in the wild.
The Cybersecurity and Infrastructure Security Agency (CISA) encourages users and administrators to review the Cisco Security Advisory and take the following actions.
This product is provided subject to this Notification and this Privacy & Use policy.
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7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.8 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C