CVE-2022-2758 : Security Advisory and Response
Discover the LS Electric PLCs vulnerability in LSIS software allowing hackers to decrypt passwords via communication traffic. Learn about impacts, solutions, and mitigation.
This CVE-2022-2758 article discusses a vulnerability in all versions of LS Industrial Systems (LSIS) Co. Ltd LS Electric XG5000 software prior to V4.0 and various LS Electric PLCs. The flaw allows passwords to be identified and decrypted during communication, posing a security risk to affected systems.
Understanding CVE-2022-2758
LS Industrial Systems (LSIS) Co. Ltd LS Electric XG5000 software and several LS Electric PLCs are affected by a vulnerability that could potentially expose passwords during communication, leading to a security compromise.
What is CVE-2022-2758?
Passwords are inadequately encrypted in all versions of LS Industrial Systems (LSIS) Co. Ltd LS Electric XG5000 software prior to V4.0 and LS Electric PLCs, allowing an attacker to identify and decrypt the passwords of affected PLCs by sniffing the communication traffic.
The Impact of CVE-2022-2758
The impact of CVE-2022-2758 is significant as it exposes sensitive passwords, increasing the risk of unauthorized access and potential security breaches in affected LS Electric systems.
Technical Details of CVE-2022-2758
The technical details of CVE-2022-2758 include vulnerability description, affected systems and versions, and exploitation mechanism.
Vulnerability Description
The vulnerability stems from passwords not being adequately encrypted during communication in LS Industrial Systems (LSIS) Co. Ltd LS Electric XG5000 software prior to V4.0 and several LS Electric PLCs.
Affected Systems and Versions
Vendor: LS Industrial Systems (LSIS) Co. Ltd LS Electric
- Product: XG5000
- Affected Versions: All versions less than V4.0
Vendor: LS Industrial Systems (LSIS) Co. Ltd LS Electric
- Product: PLC: XGB-XECH
- Affected Versions: All versions less than V1.30
Vendor: LS Industrial Systems (LSIS) Co. Ltd LS Electric
- Product: PLC: XGB-XBCH
- Affected Versions: All versions less than V1.90
Vendor: LS Industrial Systems (LSIS) Co. Ltd LS Electric
- Product: PLC: XGB-XBMS
- Affected Versions: All versions less than V3.00
Vendor: LS Industrial Systems (LSIS) Co. Ltd LS Electric
- Product: PLC: XGR-CPUH
- Affected Versions: All versions less than V1.80
Vendor: LS Industrial Systems (LSIS) Co. Ltd LS Electric
- Product: PLC: XGI-CPUU/UD/H/S/E
- Affected Versions: All versions less than V3.20
Vendor: LS Industrial Systems (LSIS) Co. Ltd LS Electric
- Product: PLC: XGK-CPUU/H/A/S/E
- Affected Versions: All versions less than V3.50
Exploitation Mechanism
The vulnerability allows an attacker to identify and decrypt passwords by intercepting and analyzing PLC communication traffic.
Mitigation and Prevention
In light of CVE-2022-2758, it is crucial to implement immediate steps and long-term security practices to mitigate the risk and ensure the protection of LS Electric systems.
Immediate Steps to Take
- Update LS Electric XG5000 software to version V4.0 or above.
- Apply security best practices to secure communication channels.
Long-Term Security Practices
- Implement strong encryption protocols for sensitive data transmission.
- Regularly monitor and audit network traffic for malicious activities.
Patching and Updates
LS Industrial Systems (LSIS) Co. Ltd LS Electric should release patches addressing the encryption weakness in affected software and PLCs.