CVE-2020-7478

Interactive Graphical Scada System vulnerability

CVSS

7.5

EPSS

4.0%

EPSS pct

89th

Exploited

No known

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.

Affected vendor

Schneider Electric

Affected product

Interactive Graphical Scada System

CVSS vector

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

Weakness type (CWE)

CWE-22 — Path Traversal

Published

2020-03-23

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality.

Its EPSS score of 4.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2020-7478

Confirm whether Schneider Electric Interactive Graphical Scada System is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2020-7478.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-7478

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