vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2026-73445

Security Advisory 0167

MEDIUM
4.9
CVSS Score
Published: September 16, 2026 at 08:58 AM UTC
Updated: September 16, 2026 at 07:24 PM UTC
1 product affected across 1 vendorArista EOS

Using EOS by Arista Networks?

Get instant alerts when new vulnerabilities affect EOS - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
MEDIUM4.9
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

On affected platforms running Arista EOS, an issue with the gRPC Network Security Interface (gNSI) Authz Rotate RPC may cause an incorrect Authz policy which was uploaded in the ongoing RPC stream to become active. This does not affect Bootz. This issue was discovered internally by Arista and the company is not aware of any malicious uses of this issue in customer networks.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Arista EOS· Arista Networks
60%
4.31.0F ≤ v < 4.32.0F4.32.0F ≤ v < 4.33.0F4.33.0F ≤ v ≤ 4.33.8M4.34.0F ≤ v ≤ 4.34.7M4.35.0F ≤ v ≤ 4.35.5M4.36.0F ≤ v ≤ 4.36.0.1F4.31.0F4.32.0F4.33.0F4.34.0F4.35.0F4.36.0F
Affected range stops below 4.32.0F, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.33.0F, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: cverecord
https://www.arista.com/en/support/advisories-notices/security-advisory/24723-security-advisory-0167

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.9MEDIUMArista
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-20

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card