CVE-2021-22642 : An attacker could use specially crafted invalid Modbus frames to crash the Ovarr

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

Published 2022-07-28 15:15:07

Updated 2022-08-04 13:31:14

Source ICS-CERT

View at NVD, CVE.org

Products affected by CVE-2021-22642

Ovarro » Tbox Lt2-530 Firmware
Versions before (<) 1.46
cpe:2.3:o:ovarro:tbox_lt2-530_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Ovarro » Tbox Lt2-530 » Version: N/A
Ovarro » Tbox Lt2-532 Firmware
Versions before (<) 1.46
cpe:2.3:o:ovarro:tbox_lt2-532_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Ovarro » Tbox Lt2-532 » Version: N/A
Ovarro » Tbox Lt2-540 Firmware
Versions before (<) 1.46
cpe:2.3:o:ovarro:tbox_lt2-540_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Ovarro » Tbox Lt2-540 » Version: N/A
Ovarro » Tbox Ms-cpu32 Firmware
Versions before (<) 1.46
cpe:2.3:o:ovarro:tbox_ms-cpu32_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Ovarro » Tbox Ms-cpu32 » Version: N/A
Ovarro » Tbox Ms-cpu32-s2 Firmware
Versions before (<) 1.46
cpe:2.3:o:ovarro:tbox_ms-cpu32-s2_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Ovarro » Tbox Ms-cpu32-s2 » Version: N/A
Ovarro » Tbox Rm2 Firmware
Versions before (<) 1.46
cpe:2.3:o:ovarro:tbox_rm2_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Ovarro » Tbox Rm2 » Version: N/A
Ovarro » Tbox Tg2 Firmware
Versions before (<) 1.46
cpe:2.3:o:ovarro:tbox_tg2_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Ovarro » Tbox Tg2 » Version: N/A
Ovarro » Twinsoft
Versions before (<) 12.4
cpe:2.3:a:ovarro:twinsoft:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.09%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 35 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	ICS-CERT
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE-400 Uncontrolled Resource Consumption

The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.

Assigned by: nvd@nist.gov (Primary)

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