CVE-2020-25176 Information

Description

Some commands used by the Rockwell Automation ISaGRAF Runtime Versions 4.x and 5.x eXchange Layer (IXL) protocol perform various file operations in the file system. Since the parameter pointing to the file name is not checked for reserved characters it is possible for a remote unauthenticated attacker to traverse an application’s directory which could lead to remote code execution.

CVSS Vector

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

Reference

https://www.cisa.gov/uscert/ics/advisories/icsa-20-280-01 https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-159-04 https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1131699 https://www.xylem.com/siteassets/about-xylem/cybersecurity/advisories/xylem-multismart-rockwell-isagraf.pdf

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8