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Fencer Vulns
high 7.8

CVE-2023-6631 json

Subnet Solutions Inc. PowerSYSTEM Center Unquoted Search Path or Element

published 2024-01-08 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-58854

cvss
7.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 6%
public exploits
0
none known

Summary

PowerSYSTEM Center versions 2020 Update 16 and prior contain a vulnerability that may allow an authorized local user to insert arbitrary code into the unquoted service path and escalate privileges.

Vendor advisories

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

cisa ICSA-23-353-01 updated cvss 7.8

Subnet Solutions Inc. PowerSYSTEM Center

  • Subnet Solutions Inc. PowerSYSTEM Center 2020 >=v5.0.x, <=5.16.x
    affected: vendor fix, mitigation “Additionally, Subnet Solutions recommends users apply Application Allowlisting on PowerSYSTEM Center Device Communication Server (DCS) hosts to ensure only trusted executables are able to be run.” subnet.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
18 mo ago

Exploit prediction

0.17% chance of exploitation in the next 30 days, higher than 6% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Subnet Solutions Inc. PowerSYSTEM Center

Classification

Weakness
  • CWE-428 Unquoted Search Path or Element

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.