Integer overflow in Cisco Systems, Inc products - CVE-2022-20684
Published: April 14, 2022
Vulnerability identifier: #VU62323
CSH Severity: Low
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:Clear
CVE-ID: CVE-2022-20684
CWE-ID: CWE-190
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco IOS XE
Catalyst 9800 Embedded Wireless Controller
Catalyst 9300 Series Switches
Catalyst 9400 Series Switches
Catalyst 9500 Series Switches
Catalyst 9800 Series Wireless Controllers
Catalyst 9800-CL Wireless Controllers for Cloud
Embedded Wireless Controller on Catalyst Access Points
Cisco IOS XE
Catalyst 9800 Embedded Wireless Controller
Catalyst 9300 Series Switches
Catalyst 9400 Series Switches
Catalyst 9500 Series Switches
Catalyst 9800 Series Wireless Controllers
Catalyst 9800-CL Wireless Controllers for Cloud
Embedded Wireless Controller on Catalyst Access Points
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to integer overflow in Simple Network Management Protocol (SNMP) trap generation for wireless clients. A remote attacker on the local network can pass specially crafted data to the application, trigger integer overflow and cause a denial of service condition on the target system.
How to mitigate CVE-2022-20684
Install updates from vendor's website.