CVEvulnerability
CVE-2022-20683
8.6 HIGH
Official page ↗
- Status
- Modified
- Published
- 2022-04-15
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.6 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
- CVSS 3.1 ([email protected])
- 8.6 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 7.8 HIGH — AV:N/AC:L/Au:N/C:N/I:N/A:C
- Weaknesses
- CWE-124, CWE-787
Description
A vulnerability in the Application Visibility and Control (AVC-FNF) feature of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient packet verification for traffic inspected by the AVC feature. An attacker could exploit this vulnerability by sending crafted packets from the wired network to a wireless client, resulting in the crafted packets being processed by the wireless controller. A successful exploit could allow the attacker to cause a crash and reload of the affected device, resulting in a DoS condition.
Affected configurations
• cisco ios xe 3.15.1xbs
• cisco ios xe 3.15.2xbs
• cisco ios xe 16.7.2
• cisco ios xe 16.7.3
• cisco ios xe 16.7.4
• cisco ios xe 16.8.1
• cisco ios xe 16.8.1a
• cisco ios xe 16.8.1b
• cisco ios xe 16.8.1c
• cisco ios xe 16.8.1d
• cisco ios xe 16.8.1e
• cisco ios xe 16.8.1s
• cisco ios xe 16.8.2
• cisco ios xe 16.8.3
• cisco ios xe 16.9.1
• cisco ios xe 16.9.1a
• cisco ios xe 16.9.1b
• cisco ios xe 16.9.1c
• cisco ios xe 16.9.1d
• cisco ios xe 16.9.1s
• cisco ios xe 16.9.2
• cisco ios xe 16.9.2a
• cisco ios xe 16.9.2s
• cisco ios xe 16.9.3
• cisco ios xe 16.9.3a
• cisco ios xe 16.9.3h
• cisco ios xe 16.9.3s
• cisco ios xe 16.9.4
• cisco ios xe 16.9.4c
• cisco ios xe 16.9.5
• cisco ios xe 16.9.5f
• cisco ios xe 16.9.6
• cisco ios xe 16.9.7
• cisco ios xe 16.9.8
• cisco ios xe 16.10.1
• cisco ios xe 16.10.1a
• cisco ios xe 16.10.1b
• cisco ios xe 16.10.1c
• cisco ios xe 16.10.1d
• cisco ios xe 16.10.1e
• cisco ios xe 16.10.1f
• cisco ios xe 16.10.1g
• cisco ios xe 16.10.1s
• cisco ios xe 16.10.2
• cisco ios xe 16.10.3
• cisco ios xe 16.11.1
• cisco ios xe 16.11.1a
• cisco ios xe 16.11.1b
• cisco ios xe 16.11.1c
• cisco ios xe 16.11.1s
• cisco ios xe 16.11.2
• cisco ios xe 16.12.1
• cisco ios xe 16.12.1a
• cisco ios xe 16.12.1c
• cisco ios xe 16.12.1s
• cisco ios xe 16.12.1t
• cisco ios xe 16.12.1w
• cisco ios xe 16.12.1x
• cisco ios xe 16.12.1y
• cisco ios xe 16.12.1z
… and 41 more