CVE-2026-73454
Security Advisory 0165
CVSS Score
8.1
EPSS Score
0.0%
EPSS Percentile
0th
On affected platforms running Arista EOS with gRPC Network Security Interface (gNSI) Credentialz configured, a specially crafted request can cause unintended modifications to the target account's properties. This may result in the account being assigned elevated privileges or access beyond what an administrator intended.
| CWE | CWE-77 |
| Vendor | arista networks |
| Product | eos |
| Published | Sep 16, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
Affected Versions
Arista Networks / EOS
4.30.0F < 4.31.0F 4.31.0F < 4.32.0F 4.32.0F < 4.33.0F 4.33.0F ≤ 4.33.8M 4.34.0F ≤ 4.34.7M 4.35.0F ≤ 4.35.5M 4.36.0F ≤ 4.36.0.1F