CVE-2021-22816 Information

Description

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists that could cause a Denial of Service of the RTU when receiving a specially crafted request over Modbus and the RTU is configured as a Modbus server. Affected Products: SCADAPack 312E 313E 314E 330E 333E 334E 337E 350E and 357E RTUs with firmware V8.18.1 and prior

CVSS Vector

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

Reference

https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-313-01

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5