CVE-2022-2758 Update
Attackers can sniff communication traffic to decrypt and identify PLC passwords due to inadequate encryption, compromising industrial control systems.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2022-2758?
CVE-2022-2758 is a medium-severity vulnerability in LS Industrial Systems (LSIS) Co. Ltd LS Electric PLC: XGB-XBCH, published on 31 Aug 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Passwords are not adequately encrypted during the communication process between all versions of LS Industrial Systems (LSIS) Co. Ltd LS Electric XG5000 software prior to V4.0 and LS Electric PLCs: all versions of XGK-CPUU/H/A/S/E prior to V3.50, all versions of XGI-CPUU/UD/H/S/E prior to V3.20, all versions of XGR-CPUH prior to V1.80, all versions of XGB-XBMS prior to V3.00, all versions of XGB-XBCH prior to V1.90, and all versions of XGB-XECH prior to V1.30. This would allow an attacker to identify and decrypt the password of the affected PLCs by sniffing the PLC’s communication traffic.
Weakness: CWE-326
Which versions are affected by CVE-2022-2758?
It affects 235 products.
Products include Ls-Electric Gm7 Firmware, Ls-Electric Gm7u Firmware, Ls-Electric K120s Firmware, Ls-Electric K80s Firmware, Ls-Electric Xbc-Dn10e Firmware, Ls-Electric Xbc-Dn14e Firmware and 229 more.
How do I fix CVE-2022-2758?
No fix has been published for CVE-2022-2758 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-2758 being exploited?
There is no known exploitation of CVE-2022-2758 in the wild and no public exploit code.
Sources
Also known as GHSA-vgvm-464w-97h8.