No exploitation reportedFix available

CVE-2023-27978

No exploitation reported by the sources we read.

Published2023-03-21
WeaknessCWE-502

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-502: Deserialization of Untrusted Data vulnerability exists in the Dashboard module that could cause an interpretation of malicious payload data, potentially leading to remote code execution when an attacker gets the user to open a malicious file. Affected Products: IGSS Data Server(IGSSdataServer.exe)(V16.0.0.23040 and prior), IGSS Dashboard(DashBoard.exe)(V16.0.0.23040 and prior), Custom Reports(RMS16.dll)(V16.0.0.23040 and prior).

Timeline

dates in UTC

2023-03-2109:15CVE 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-2023-27978?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-27978?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 custom reports

Branch	Affected	Fixed in	Source
16.0	≤ 16.0.0.23040	no fix published	NVD

Schneider-electric igss dashboard

Branch	Affected	Fixed in	Source
16.0	≤ 16.0.0.23040	no fix published	NVD

Schneider-electric igss data server

Branch	Affected	Fixed in	Source
16.0	≤ 16.0.0.23040	no fix published	NVD

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-23-082-04 CISA3 known affected
Schneider Electric IGSS
IGSS Data Server (IGSSdataServer.exe): V16.0.0.23040 and prior · IGSS Dashboard (DashBoard.exe): V16.0.0.23040 and prior · Custom Reports (RMS16.dll): V16.0.0.23040 and prior

Full record on NVD

Fix

Vendor fix CISA ICSA-23-082-04 · 3 productsVersion 16.0.0.23041 of IGSS Data Server, Dashboard and Custom Reports (RMS) includes corrections and mitigations for these vulnerabilities and is available for download through IGSS Master > Update IGSS Software; the update is also available directly from Schneider Electric.
Vendor fix CISA ICSA-23-082-04 · 3 productsSchneider Electric recommends that users use appropriate patching methodologies when applying these patches to their systems. Schneider Electric recommends the use of back-ups and impact evaluating these patches in a test, development, or offline infrastructure environment, is strongly recommended.…
Vendor fix CISA ICSA-23-082-04 · 3 productsAdditionally, if patching is not feasible, Schneider Electric recommends the following mitigations to reduce the risk of vulnerability exploitation:
Vendor fix CISA ICSA-23-082-04 · 3 productsRead the Security Guideline for IGSS on securing an IGSS SCADA-installation.
Vendor fix CISA ICSA-23-082-04 · 3 productsEnsure that the System Configuration module under Files, automatic backup is enabled for file backup.
Vendor fix CISA ICSA-23-082-04 · 3 productsStrip report output from Excel output. In the System Configuration module under Reports, stripping of macros for the output engine can be enabled, reducing the risk of distributing an unsafe report.

Advisories and patches

download.schneider-electric.comPatch · Vendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionnone2025-02-05
OpenCVESSVC decisionnone—
CNACVSS 3.17.8read 2026-10-23
NVDCVSS 3.17.8read 2026-10-23
CNAweakness (CWE)CWE-502read 2026-10-23
FIRST EPSSEPSS score6.5 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published: 2023-03-21
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2023-27978?

Is CVE-2023-27978 actively exploited?

Active exploitation of CVE-2023-27978 has not been confirmed. Its EPSS score was 6.5% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-27978?

CVE-2023-27978 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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