Weak XOR Encryption Vulnerability in Horner Automation RCC 972
CVE-2022-2640

7.5HIGH

Key Information:

Vendor

Horner Automation

Status
Remote Compact Controller (rcc) 972
Vendor
CVE Published:
1 December 2022

What is CVE-2022-2640?

The RCC 972 by Horner Automation is equipped with firmware version 15.40 that uses weak XOR encryption for its configuration files. This flaw opens the door for attackers to reverse engineer the encryption, potentially allowing them to acquire sensitive credentials for services such as FTP and HTTP. The resulting exposure can lead to unauthorized access and exploitation of the affected devices.

Affected Version(s)

Remote Compact Controller (RCC) 972 Firmware Version 15.40

References

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

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

m1etz reported these vulnerabilities through the Computer Emergency Response Team, CERT-Bund, to CISA
.