What’s Vulnerable › Vulnerabilities
CVE-2025-5088: Arista CloudVision Exchange (CVX) Cluster Privilege Escalation via MCS Redis Session
- Severity: high (CVSS 8.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-06-05 · updated 2026-10-07
- Weakness: CWE-269
Description
An authenticated Redis session could be used to obtain full root access to all servers in the CVX cluster. Note that this would require an attacker to have both network access to the Redis service on a CVX server and the Redis password. Please note that all Redis communication, including authentication, occurs over plaintext in the present day. TLS support is tracked under RFE1294850.
Affected products
- Arista Networks EOS / CloudVision eXchange (CVX): from 4.34.0F through 4.34.1F; from 4.33.0M through 4.33.4M; from 4.32.0M through 4.32.6M; from 4.31.0M through 4.31.8M; from 4.30.0 before 4.31.0 — fixed in 4.31.0
How to fix
Upgrade to a fixed version: Arista Networks EOS / CloudVision eXchange (CVX) 4.31.0. Check the vendor advisory for mitigations.
References
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