CVE-2021-22642

HIGH

Ovarro TBox < 1.46 - Denial of Service via Crafted Modbus Frames

Title source: llm
STIX 2.1

Description

An attacker could use specially crafted invalid Modbus frames to crash the Ovarro TBox system.

References (1)

Core 1
Core References
Third Party Advisory, US Government Resource x_refsource_confirm
https://www.cisa.gov/uscert/ics/advisories/icsa-21-054-04

Scores

CVSS v3 7.5
EPSS 0.0071
EPSS Percentile 48.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-400
Status published
Products (8)
ovarro/tbox_lt2-530_firmware < 1.46
ovarro/tbox_lt2-532_firmware < 1.46
ovarro/tbox_lt2-540_firmware < 1.46
ovarro/tbox_ms-cpu32-s2_firmware < 1.46
ovarro/tbox_ms-cpu32_firmware < 1.46
ovarro/tbox_rm2_firmware < 1.46
ovarro/tbox_tg2_firmware < 1.46
ovarro/twinsoft < 12.4
Published Jul 28, 2022
Tracked Since Feb 18, 2026