VULNERABILITY INTELLIGENCE
CVE-2022-20697
CVSS score8.6 HIGH
EPSS probability1.16%
CISA KEVNot currently listed
Published2022-04-15
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Description
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.
Weakness classification
- CWE-691: Insufficient Control Flow Management
- CWE-772: Missing Release of Resource after Effective Lifetime
Primary references
- psirt@cisco.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory