| CVE-2020-3418 | Date: (C)2020-09-25 (M)2023-12-22 |
A vulnerability in Cisco IOS XE Wireless Controller Software for Cisco Catalyst 9800 Series Routers could allow an unauthenticated, adjacent attacker to send ICMPv6 traffic prior to the client being placed into RUN state. The vulnerability is due to an incomplete access control list (ACL) being applied prior to RUN state. An attacker could exploit this vulnerability by connecting to the associated service set identifier (SSID) and sending ICMPv6 traffic. A successful exploit could allow the attacker to send ICMPv6 traffic prior to RUN state.
CVSS Score and Metrics +CVSS Score and Metrics -| CVSS V3 Severity: | CVSS V2 Severity: |
| CVSS Score : 4.7 | CVSS Score : 3.3 |
| Exploit Score: 2.8 | Exploit Score: 6.5 |
| Impact Score: 1.4 | Impact Score: 2.9 |
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| CVSS V3 Metrics: | CVSS V2 Metrics: |
| Attack Vector: ADJACENT_NETWORK | Access Vector: ADJACENT_NETWORK |
| Attack Complexity: LOW | Access Complexity: LOW |
| Privileges Required: NONE | Authentication: NONE |
| User Interaction: NONE | Confidentiality: NONE |
| Scope: CHANGED | Integrity: PARTIAL |
| Confidentiality: NONE | Availability: NONE |
| Integrity: LOW | |
| Availability: NONE | |
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