CVE-2021-38451 Information

Description

The affected product’s proprietary protocol CSC allows for calling numerous function codes. In order to call those function codes the user must supply parameters. There is no sanitation on the value of the offset which allows the client to specify any offset and read out-of-bounds data.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N

Reference

https://us-cert.cisa.gov/ics/advisories/icsa-21-292-01

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.7