CVE-2023-20168
Published: Aug 23, 2023
Modified: Aug 2, 2024
CVSS v3.1
7.1
Description
A vulnerability in TACACS+ and RADIUS remote authentication for Cisco NX-OS Software could allow an unauthenticated, local attacker to cause an affected device to unexpectedly reload. This vulnerability is due to incorrect input validation when processing an authentication attempt if the directed request option is enabled for TACACS+ or RADIUS. An attacker could exploit this vulnerability by entering a crafted string at the login prompt of an affected device. A successful exploit could allow the attacker to cause the affected device to unexpectedly reload, resulting in a denial of service (DoS) condition.
| Vendor | Product | Versions |
|---|---|---|
Cisco | Cisco NX-OS Software | affected 4.2(1)SV1(4)affected 4.2(1)SV1(4a)affected 4.2(1)SV1(4b)affected 4.2(1)SV1(5.1)affected 4.2(1)SV1(5.1a)+339 more versions |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
References
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