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CVE-2023-5461— Delta Electronics WPLSoft Modbus cleartext transmission

Quick assessment

Affected
Delta Electronics WPLSoft
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.

Delta Electronics WPLSoft是中国台湾台达电子（Delta Electronics）公司的一款用于台达可编程逻辑控制器（PLC）编程的软件工具。 Delta Electronics WPLSoft 2.51版本存在安全漏洞，该漏洞源于敏感信息以明文形式传输。

CVSS 3.7 · Low EPSS 0.49% · P40
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I. Basic Information for CVE-2023-5461

Vulnerability Information
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Vulnerability Title
Delta Electronics WPLSoft Modbus cleartext transmission
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Delta Electronics WPLSoft 2.51. It has been classified as problematic. Affected is an unknown function of the component Modbus Handler. The manipulation leads to cleartext transmission of sensitive information. It is possible to launch the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-241584. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
敏感数据的明文传输
Source: CVE Program / CVE List V5
Vulnerability Title
Delta Electronics WPLSoft 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Delta Electronics WPLSoft是中国台湾台达电子（Delta Electronics）公司的一款用于台达可编程逻辑控制器（PLC）编程的软件工具。 Delta Electronics WPLSoft 2.51版本存在安全漏洞，该漏洞源于敏感信息以明文形式传输。
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
Delta Electronics WPLSoft 2.51 -

II. Public POCs for CVE-2023-5461

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III. Intelligence Information for CVE-2023-5461

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Vendor Advisories for CVE-2023-5461 (1)

Other References for CVE-2023-5461 (1)

Same Patch Batch · Delta Electronics · 2023-10-09 · 3 CVEs total

CVE-2023-5459 6.5 MEDIUM Delta Electronics DVP32ES2 PLC Password Transmission denial of service
CVE-2023-5460 3.5 LOW Delta Electronics WPLSoft Modbus Data Packet heap-based overflow

IV. Related Vulnerabilities

Same product: WPLSoft
Same vendor: Delta Electronics
Same weakness: CWE-319

V. Comments for CVE-2023-5461

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