CVE-2022-20920CWE-755

Cisco IOS and IOS XE Software SSH Denial of Service Vulnerability

High · published October 10, 2022

CVSS v3.1
7.7
EPSS
1%
Percentile
60.8
In the wild
Unconfirmed
What it is

A vulnerability in the SSH implementation of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to cause an affected device to reload. This vulnerability is due to improper handling of resources during an exceptional situation. An attacker could exploit this vulnerability by continuously connecting to an affected device and sending specific SSH requests. A successful exploit could allow the attacker to cause the affected device to reload.

The record
Technical detail
CVSS v3.1
7.7 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00947 · 60.8th percentile
Weakness
CWE-755 · Improper Handling of Exceptional Conditions
Published
2022-10-10T20:43Z
EPSS history
Timeline
  • 10 OCT 20:43Z
    Cisco IOS and IOS XE Software SSH Denial of Service Vulnerability
    cvelistv5