CVE-2020-7478

Name: CVE-2020-7478
Creator: NVD / NIST
Published: 2020-03-23T20:15:12.37+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 3.97%

Last modified Jun 17, 2026

CVE-2020-7478 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A CWE-22: Improper Limitation of a Pathname to a Restricted Directory exists in IGSS (Versions 14 and prior using the service: IGSSupdate), which could allow a remote unauthenticated attacker to read arbitrary files from the IGSS server PC on an unrestricted or shared network when the IGSS Update Service is enabled.. EPSS estimates a 3.97% chance of exploitation in the next 30 days.

Description

A CWE-22: Improper Limitation of a Pathname to a Restricted Directory exists in IGSS (Versions 14 and prior using the service: IGSSupdate), which could allow a remote unauthenticated attacker to read arbitrary files from the IGSS server PC on an unrestricted or shared network when the IGSS Update Service is enabled.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

3.97%

89.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Schneider-Electric	Interactive Graphical Scada System	>= 14.0, < 14.0.0.20009

References

https://www.se.com/ww/en/download/document/SEVD-2020-070-01/Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-371/Third Party Advisory, VDB Entry
https://www.se.com/ww/en/download/document/SEVD-2020-070-01/Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-371/Third Party Advisory, VDB Entry

Timeline

Published: Mar 23, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-7478?

How severe is CVE-2020-7478?

CVE-2020-7478 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.97% probability of exploitation in the next 30 days.

How do I fix CVE-2020-7478?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-7478?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST