Resource exhaustion in Catalyst 9100 Access Points and Catalyst 9800 Wireless Controller Software - CVE-2023-20176
Published: September 28, 2023
Vulnerability identifier: #VU81258
CSH Severity: Medium
CVSS v4.0: 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:Green
CVE-ID: CVE-2023-20176
CWE-ID: CWE-400
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Catalyst 9100 Access Points
Catalyst 9800 Wireless Controller Software
Catalyst 9100 Access Points
Catalyst 9800 Wireless Controller Software
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper control over consumption of internal resources. A remote attacker can connect to the affected AP as a client and send a high rate of traffic over an extended period of time, which will result in an overuse of AP resources and denial of service.
How to mitigate CVE-2023-20176
Install updates from vendor's website.