Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2022-4856— Modbus Tools Modbus Slave mbs File mbslave.exe buffer overflow

Quick assessment

Affected
Modbus Tools Modbus Slave
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.

Modbus Slave是一款用于PLC的设备模拟器，主要用于PLC编程。 Modbus Tools Modbus Slave 7.5.1及之前版本存在安全漏洞，该漏洞源于文件mbslave.exe的未知功能存在问题，会导致缓冲区溢出。

CVSS 6.3 · Medium EPSS 0.59% · P46

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2022-4856

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Modbus Tools Modbus Slave mbs File mbslave.exe buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in Modbus Tools Modbus Slave up to 7.5.1 and classified as critical. Affected by this vulnerability is an unknown functionality of the file mbslave.exe of the component mbs File Handler. The manipulation leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-217021 was assigned to this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
Modbus Slave 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Modbus Slave是一款用于PLC的设备模拟器，主要用于PLC编程。 Modbus Tools Modbus Slave 7.5.1及之前版本存在安全漏洞，该漏洞源于文件mbslave.exe的未知功能存在问题，会导致缓冲区溢出。
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
Modbus Tools Modbus Slave 7.5.0 -

II. Public POCs for CVE-2022-4856

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2022-4856

请登录查看更多情报信息。

Vendor Advisories for CVE-2022-4856 (2)

Proof of Concept for CVE-2022-4856 (1)

Other References for CVE-2022-4856 (1)

IV. Related Vulnerabilities

Same product: Modbus Slave
Same vendor: Modbus Tools
Same weakness: CWE-120

V. Comments for CVE-2022-4856

No comments yet

Leave a comment