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CVE-2022-2758— Update

Quick assessment

Affected
LS Industrial Systems (LSIS) Co. Ltd LS Electric XG5000
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

LS ELECTRIC PLC是韩国LS 产电（LS ELECTRIC）公司的一种可编程逻辑控制器。 LS Electric PLC 和 XG5000 存在加密问题漏洞，该漏洞源于在通信过程中，密码没有被充分加密，这可能允许攻击者通过嗅探流量来识别和解密受影响的 PLC 的密码。

CVSS 6.5 · Medium EPSS 0.38% · P31
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I. Basic Information for CVE-2022-2758

Vulnerability Information
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Vulnerability Title
Update
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
不充分的加密强度
Source: CVE Program / CVE List V5
Vulnerability Title
LS ELECTRIC PLC 和 XG5000 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
LS ELECTRIC PLC是韩国LS 产电（LS ELECTRIC）公司的一种可编程逻辑控制器。 LS Electric PLC 和 XG5000 存在加密问题漏洞，该漏洞源于在通信过程中，密码没有被充分加密，这可能允许攻击者通过嗅探流量来识别和解密受影响的 PLC 的密码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
LS Industrial Systems (LSIS) Co. Ltd LS Electric XG5000 All versions ~ V4.0 -
LS Industrial Systems (LSIS) Co. Ltd LS Electric PLC: XGB-XECH All versions ~ V1.30 -
LS Industrial Systems (LSIS) Co. Ltd LS Electric PLC: XGB-XBCH All versions ~ V1.90 -
LS Industrial Systems (LSIS) Co. Ltd LS Electric PLC: XGB-XBMS All versions ~ V3.00 -
LS Industrial Systems (LSIS) Co. Ltd LS Electric PLC: XGR-CPUH All versions ~ V1.80 -
LS Industrial Systems (LSIS) Co. Ltd LS Electric PLC: XGI-CPUU/UD/H/S/E All versions ~ V3.20 -
LS Industrial Systems (LSIS) Co. Ltd LS Electric PLC: XGK-CPUU/H/A/S/E All versions ~ V3.50 -

II. Public POCs for CVE-2022-2758

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III. Intelligence Information for CVE-2022-2758

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Vendor Advisories for CVE-2022-2758 (1)

IV. Related Vulnerabilities

Same weakness: CWE-326

V. Comments for CVE-2022-2758

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