PT-2022-6090 · Cisco · Cisco Ios Xe Wireless Controller+1

Published 2022-09-28 · Updated 2023-06-27 · CVE-2022-20847

Positive Technologies (AI Summary)

CVSS v3.1

8.6

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family (affected versions not specified)

Description A vulnerability in the DHCP processing functionality could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. This is due to the improper processing of DHCP messages. An attacker could exploit this by sending malicious DHCP messages to an affected device, potentially causing the device to reload and resulting in a DoS condition.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Resource Exhaustion

Weakness Enumeration

CWE-399

CWE-400

Related Identifiers

BDU:2023-00028

CVE-2022-20847

Affected Products

Cisco Ios Xe Wireless Controller

Cisco Ios Xe

References · 6

• https://osv.dev/vulnerability/CVE-2022-20847 · Vendor Advisory
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wlc-dhcp-dos-76pCjPxK · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-20847 · Security Note
• https://bdu.fstec.ru/vul/2023-00028 · Security Note
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wlc-dhcp-dos-76pCjPxK · Vendor Advisory
• https://t.me/cibsecurity/50802 · Telegram Post