CVE-2021-30065 Information

Description

On Schneider Electric ConneXium Tofino Firewall TCSEFEA23F3F22 before 03.23 TCSEFEA23F3F20/21 and Belden Tofino Xenon Security Appliance crafted ModBus packets can bypass the ModBus enforcer. NOTE: this issue exists because of an incomplete fix of CVE-2017-11401.

CVSS Vector

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

Reference

https://www.belden.com/support/security-assurance https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-011-05

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

7.5