CVE-2026-73461

CRITICAL CVSS 4.0: 9.4 EPSS 0.39%
Updated Sep 17, 2026
Arista Networks
Parameter Value
CVSS 9.4 (CRITICAL)
Type CWE-266 (Incorrect Privilege Assignment)
Vendor Arista Networks
Public PoC No

On affected EOS platforms with AAA-based gRPC authorization enabled for OpenConfig, gRPC requests of an authenticated user to OpenConfig may use the wrong privilege level, resulting in an authorization using the wrong AAA method list. This does not impact non-gRPC OpenConfig requests such as NETCONF.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
High
Admin privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v4.0

Vulnerable Products

arista networks:eos