# CVE-2025-5088: Arista CloudVision Exchange (CVX) Cluster Privilege Escalation via MCS Redis Session

> An attacker with network access and Redis credentials can escalate privileges to root on all CloudVision eXchange cluster servers.

- **Severity:** High 8.7 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 5 Jun 2026
- **Updated:** 9 Jun 2026
- **Also known as:** GHSA-6vg3-4m6v-gqxx

## What is CVE-2025-5088?

CVE-2025-5088 is a high-severity vulnerability in Arista Networks EOS / CloudVision eXchange (CVX), published on 5 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official 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.

Weakness: CWE-269 (Improper Privilege Management)

## Which versions are affected by CVE-2025-5088?


## How do I fix CVE-2025-5088?

No fix has been published for CVE-2025-5088 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-5088 being exploited?

There is no known exploitation of CVE-2025-5088 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-5088 and fix it if it is affected.

What it is: CVE-2025-5088 is a high-severity vulnerability in Arista Networks EOS / CloudVision eXchange (CVX), published on 5 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2025-5088 in the wild and no public exploit code.

Affected product: Arista Networks EOS / CloudVision eXchange (CVX). No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2025-5088/ (Markdown: https://insights.sbomify.com/CVE-2025-5088/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-5088
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-5088
- OSV: https://osv.dev/vulnerability/CVE-2025-5088

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From sbomify Insights: https://insights.sbomify.com/CVE-2025-5088/
Summaries are generated and may contain mistakes; the official description above is the record.