#VU87904 Incomplete cleanup in Cisco Systems, Inc products - CVE-2024-20303
Published: March 28, 2024 / Updated: March 29, 2024
Vulnerability identifier: #VU87904
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-20303
CWE-ID: CWE-459
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerable software:
Cisco IOS XE
Catalyst 9800-CL Wireless Controllers for Cloud
Catalyst 9800 Embedded Wireless Controller
Catalyst 9800 Series Wireless Controllers
Embedded Wireless Controller on Catalyst Access Points
Cisco IOS XE
Catalyst 9800-CL Wireless Controllers for Cloud
Catalyst 9800 Embedded Wireless Controller
Catalyst 9800 Series Wireless Controllers
Embedded Wireless Controller on Catalyst Access Points
Software vendor:
Cisco Systems, Inc
Cisco Systems, Inc
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to incomplete cleanup in the multicast DNS (mDNS) gateway feature. A remote attacker on the local network can cause the wireless controller to have high CPU utilization, leading to denial of service condition.
Remediation
Install updates from vendor's website.