Cisco Nexus Dashboard Fabric Controller AMF Deserialization of Untrusted Data Remote Code Execution Vulnerability
March 11th, 2022
Vulnerability Details
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Cisco Nexus Dashboard Fabric Controller. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the handling of the AMF protocol. Crafted data in an AMF protocol message can trigger the deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of the fmserver user.
Additional Details
Fixed in version 11.5(4) or later
Disclosure Timeline
- 2021-09-10 - Vulnerability reported to vendor
- 2022-03-11 - Coordinated public release of advisory
Credit
Pedro Ribeiro (@pedrib1337 | pedrib@gmail.com) from Agile Information Security