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Fencer Vulns
high 8.8

CVE-2023-27980 json

A CWE-306: Missing Authentication for Critical Function vulnerability exists in the Data Server TCP interface that could allow the creation…

published 2023-03-21 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-31706

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits
0
none known

Summary

A CWE-306: Missing Authentication for Critical Function vulnerability exists in the Data Server TCP interface that could allow the creation of a malicious report file in the IGSS project report directory, this could lead to remote code execution when a victim eventually opens the report. 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)

Patch / fix

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-23-082-04 updated cvss 8.8

Schneider Electric IGSS

  • Schneider Electric Custom Reports (RMS16.dll) <= 16.0.0.23040 Schneider Electric IGSS Dashboard (DashBoard.exe) <= 16.0.0.23040 Schneider Electric IGSS Data Server (IGSSdataServer.exe) <= 16.0.0.23040
    affected: vendor fix igss.schneiderelectric.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
21 mo ago

Exploit prediction

0.88% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

  • Schneider Electric IGSS Data Server(IGSSdataServer.exe)
  • Schneider Electric IGSS Dashboard (DashBoard.exe)
  • Schneider Electric Custom Reports (RMS16.dll)

Classification

Weakness
  • CWE-306 Missing Authentication for Critical Functionality

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.