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CVE-2023-35120— PiiGAB M-Bus Cross-Site Request Forgery

Quick assessment

Affected
PiiGAB M-Bus SoftwarePack
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.

PiiGAB M-Bus是PiiGAB公司的一种在电表和中央数据采集系统或预付费单元之间使用的通信协议。 PiiGAB M-Bus 900S版本存在跨站请求伪造漏洞，该漏洞源于容易受到跨站点请求伪造的攻击，攻击者利用该漏洞可以执行GET或POST链接请求。

CVSS 8.8 · High EPSS 0.29% · P20
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I. Basic Information for CVE-2023-35120

Vulnerability Information
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Vulnerability Title
PiiGAB M-Bus Cross-Site Request Forgery
Source: CVE Program / CVE List V5
Vulnerability Description
PiiGAB M-Bus is vulnerable to cross-site request forgery. An attacker who wants to execute a certain command could send a phishing mail to the owner of the device and hope that the owner clicks on the link. If the owner of the device has a cookie stored that allows the owner to be logged in, then the device could execute the GET or POST link request.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨站请求伪造(CSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
PiiGAB M-Bus 跨站请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PiiGAB M-Bus是PiiGAB公司的一种在电表和中央数据采集系统或预付费单元之间使用的通信协议。 PiiGAB M-Bus 900S版本存在跨站请求伪造漏洞，该漏洞源于容易受到跨站点请求伪造的攻击，攻击者利用该漏洞可以执行GET或POST链接请求。
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
PiiGAB M-Bus SoftwarePack 900S -

II. Public POCs for CVE-2023-35120

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III. Intelligence Information for CVE-2023-35120

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Vendor Advisories for CVE-2023-35120 (1)

Same Patch Batch · PiiGAB · 2023-07-06 · 9 CVEs total

CVE-2023-35987 9.8 CRITICAL PiiGAB M-Bus Use of Hard-coded Credentials
CVE-2023-36859 8.8 HIGH PiiGAB M-Bus Code Injection
CVE-2023-32652 8.0 HIGH PiiGAB M-Bus Cross-site Scripting
CVE-2023-31277 7.5 HIGH PiiGAB M-Bus Unprotected Transport of Credentials
CVE-2023-34995 7.5 HIGH PiiGAB M-Bus Weak Password Requirements
CVE-2023-34433 7.5 HIGH PiiGAB M-Bus Use of Password Hash With Insufficient Computational Effort
CVE-2023-35765 6.5 MEDIUM PiiGAB M-Bus Plaintext Storage of a Password
CVE-2023-33868 5.9 MEDIUM PiiGAB M-Bus Improper Restriction of Excessive Authentication Attempts

IV. Related Vulnerabilities

Same product: M-Bus SoftwarePack
Same vendor: PiiGAB
Same weakness: CWE-352