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CVE-2022-20847

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
30/09/2022
Last modified:
07/11/2023

Description

A vulnerability in the DHCP processing functionality of Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. This vulnerability is due to the improper processing of DHCP messages. An attacker could exploit this vulnerability by sending malicious DHCP messages to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.

Impact

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

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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

Base Score 3.x
7.50
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:cisco:ios_xe:17.3.3:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_9800:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_9800-40:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_9800-80:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_9800-cl:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_9800-l:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_9800-l-c:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_9800-l-f:-:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools