Unauthenticated Remote Code Execution in Steppschuh Remote Control Server
CVE-2022-4978

9.3CRITICAL

Key Information:

Vendor

Steppschuh

Status
Remote Control Collection Server
Vendor
CVE Published:
23 July 2025

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 32%

What is CVE-2022-4978?

The Steppschuh Remote Control Server version 3.1.1.12 is vulnerable to unauthenticated remote code execution due to a lack of verification for incoming commands. When authentication is disabled, which is its default setting, the server accepts keyboard input events over a custom UDP-based control protocol. This flaw enables attackers on the same network to send arbitrary keystroke commands, potentially allowing them to gain a system shell and execute malicious commands, resulting in a complete compromise of the affected system.

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Affected Version(s)

Remote Control Collection Server 3.1.1.12

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2022-4978 - Proof of Concept

References

https://raw.githubusercontent.com/rapid7/metasploit-frame...
exploit
https://remote-control-collection.com/
product
https://www.vulncheck.com/advisories/steppschuh-remote-co...
third-party-advisory

EPSS Score

32% chance of being exploited in the next 30 days.

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

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