CVE-2020-3407 HIGH

CVE-2020-3407: Cisco IOS XE Software RESTCONF and NETCONF-YANG Access Control List Denial of Service Vulnerability

Vendor Cisco
Product Cisco IOS XE Software
Weakness CWE-476
Published September 24, 2020
Last update November 13, 2024
View on NVD All CVEs

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

What the vulnerability does

01Description

A vulnerability in the RESTCONF and NETCONF-YANG access control list (ACL) function of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload. The vulnerability is due to incorrect processing of the ACL that is tied to the RESTCONF or NETCONF-YANG feature. An attacker could exploit this vulnerability by accessing the device using RESTCONF or NETCONF-YANG. A successful exploit could allow an attacker to cause the device to reload, resulting in a denial of service (DoS) condition.

Key dates

02Disclosure timeline

September 24, 2020 CVE published
November 13, 2024 Record updated