Vulnerability · Published Apr 1, 2022 · Assigned by icscert

CVE-2022-1068Modbus Tools Modbus Slave Stack-Based Buffer Overflow

Medium 5.5

In plain English

A medium-severity stack buffer overflow in Modbus Slave from Modbus Tools. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 62% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)1.0%top 38.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC

Official description

Modbus Tools Modbus Slave (versions 7.4.2 and prior) is vulnerable to a stack-based buffer overflow in the registration field. This may cause the program to crash when a long character string is used.

Affected products (as reported)

VendorProductVersions
Modbus Tools Modbus Slave unspecified – through 7.4.2

Weakness: CWE-121 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References