CVE-2022-20697 HIGH

CVE-2022-20697: Cisco IOS and IOS XE Software Web Services Denial of Service Vulnerability

Vendor Cisco
Product Cisco IOS
Weakness CWE-691
Published April 15, 2022
Last update November 6, 2024

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:3.1/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 web services interface of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition. This vulnerability is due to improper resource management in the HTTP server code. An attacker could exploit this vulnerability by sending a large number of HTTP requests to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.

Key dates

02Disclosure timeline

April 15, 2022 CVE published
November 6, 2024 Record updated