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No exploitation reportedFix available

CVE-2020-7478

No exploitation reported by the sources we read.

  • Published2020-03-23
  • Fixed in14.0.0.20009
  • WeaknessCWE-22

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2020-03-2320:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-7478?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-7478?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Schneider-electric interactive graphical scada system
BranchAffectedFixed in
14.0≥ 14.0, < 14.0.0.2000914.0.0.20009

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • ICSA-20-084-02 CISA1 known affected

    Schneider Electric IGSS SCADA Software

    IGSS (Interactive Graphical SCADA System): Versions 14 and prior using the service IGSSupdate

Full record on NVD

Fix

  1. Update Schneider-electric interactive graphical scada system to 14.0.0.20009
  2. Mitigation from the vendor CISA ICSA-20-084-02 · 1 productSchneider Electric has provided IGSS14 Version 14.0.0.20009 to address these vulnerabilities. Users are recommended to update to IGSS Version 14.
  3. Mitigation from the vendor CISA ICSA-20-084-02 · 1 productAlternatively, the following workarounds and mitigations can be applied to reduce risk:
  4. Mitigation from the vendor CISA ICSA-20-084-02 · 1 productDisable the IGSS Update service when it is not required installing updates using the service.
  5. Mitigation from the vendor CISA ICSA-20-084-02 · 1 productKeep the infrastructure offline and do not allow Windows login and network access for untrusted people and sources.
  6. Mitigation from the vendor CISA ICSA-20-084-02 · 1 productFor more information, see the Schneider Electric security notification.

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • NVDCVSS 3.17.5read 2026-10-23
  • NVDCVSS 2.05read 2026-10-23
  • CNAweakness (CWE)CWE-22read 2026-10-23
  • NVDweakness (CWE)CWE-22read 2026-10-23
  • FIRST EPSSEPSS score4.1 %2026-10-23

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
2020-03-23
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2020-7478?

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.

Is CVE-2020-7478 actively exploited?

Active exploitation of CVE-2020-7478 has not been confirmed. Its EPSS score was 4.1% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-7478?

CVE-2020-7478 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

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