CVE-2020-25176

Rockwell Automation ISaGRAF5 Runtime Relative Path Traversal

9.1 Critical

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: High
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

6.42%Up 2.0 points since Mar 19, 2022

What each source reports

CVE List Score used 9.1

Rockwell Automation ISaGRAF5 Runtime Relative Path Traversal

Record: CVE-2020-25176
CVSS 3.1: 9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Weakness: CWE-23
Updated: 2026-11-02

EUVDEUVD-2020-17867 9.1

Record: EUVD-2020-17867
CVSS 3.1: 9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-fg53-m5qv-8qwq 9.8

Some commands used by the Rockwell Automation ISaGRAF Runtime Versions 4.x and 5.x eXchange Layer...

Record: GHSA-fg53-m5qv-8qwq
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-22
Updated: 2026-11-02

NVD 9.1

Record: CVE-2020-25176
CVSS 3.1: 9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness: CWE-23, CWE-22
Updated: 2026-11-02

Affected products

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History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-25176 is a critical vulnerability (CVSS 9.1) in Rockwell Automation Isagraf Runtime, published March 18, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 6.42%, the 93rd percentile. No source names a fixed version.