Vulnerability · Published Apr 15, 2022 · Assigned by cisco

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

High 8.6

In plain English

A high-severity security flaw in Cisco IOS from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 67% of all known vulnerabilities).

Severity (CVSS 3.1)8.6High

Exploit odds (30 days)1.2%top 32.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
Cisco	Cisco IOS	n/a

Weakness: CWE-691 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

References

20220413 Cisco IOS and IOS XE Software Web Services Denial of Service Vulnerability vendor-advisory, x_refsource_CISCO