Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

Go to Calendar     Go to Press Room     Go to Newsletters subscription

Search

CVE-2022-20920

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
10/10/2022
Last modified:
06/03/2024

Description

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.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.70 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
7.70
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:cisco:ios:3.2.0se:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:3.2.1se:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:3.2.2se:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:3.2.3se:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:3.3.0se:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:3.3.0sg:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:3.3.0xo:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:3.3.1se:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:3.3.1sg:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:3.3.1xo:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:3.3.2se:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:3.3.2sg:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:3.3.2xo:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:3.3.3se:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:3.3.4se:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools