Inadequate Encryption Strength in LS ELECTRIC PLC and XG5000

1) Inadequate Encryption Strength

EUVDB-ID: #VU66585

Risk: Medium

CVSSv3.1: 6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2022-2758

CWE-ID: CWE-326 - Inadequate Encryption Strength

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the passwords are not adequately encrypted during the communication process between the XG5000 software and the affected PLC. A remote attacker can identify and decrypt the affected PLC’s password by sniffing the traffic.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

LS Electric PLC: All versions

XG5000: All versions

External links

http://ics-cert.us-cert.gov/advisories/icsa-22-228-02

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.