CVE-2026-73461: On affected EOS platforms with AAA-based gRPC authorization enabled for OpenConfig, gRPC requests of an authenticated user to OpenConfig may use the wrong…

PriorityP347high8CVSS 3.1

AVNACHPRHUINSCCHIHAH

EPSS

0.39%

31.3th percentile

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.

Affected

8 ranges

Vendor	Product	Version range	Fixed in
arista_networks	eos	>= 4.29.0F < 4.30.0F	4.30.0F
arista_networks	eos	>= 4.30.0F < 4.31.0F	4.31.0F
arista_networks	eos	>= 4.31.0F < 4.32.0F	4.32.0F
arista_networks	eos	4.32.0F – 4.32.11M	—
arista_networks	eos	4.33.0F – 4.33.8M	—
arista_networks	eos	4.34.0F – 4.34.7M	—
arista_networks	eos	4.35.0F – 4.35.5M	—
arista_networks	eos	4.36.0F – 4.36.0.1F	—

CVSS provenance

nvdv3.18.0HIGHCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

nvdv4.09.4CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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