CVE-2023-6631

highpriority · track · 31EPSS 0.002 · 7 %ileEUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
0.17% (7th) EPSS
CVSS 7.8 · high
Is it mine?
4 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-27

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.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • FixedPowerSYSTEM Center 2020cisa_csaf_ot

    Subnet Solutions recommends users upgrade to PowerSYSTEM Center versions 2020 Update 17 or later. To obtain this software, contact Subnet Solution's Customer Service.

    https://subnet.com/contact/
  • MitigationPowerSYSTEM Center 2020cisa_csaf_ot

    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.

02

cvss

Technical severity, 0–10. One row per scoring source.

7.8
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9
v3.07.8highCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · CISA US
v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU
v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · ics-cert@hq.dhs.gov USexploitability 1.8 · impact 5.9
v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)
03

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-428USprimaryCWE-428US
05

affected products (4)

Products and version ranges known to be affected.

06

advisories (1)

Vendor and ecosystem advisories describing this.

  • ICSA-23-353-01Subnet Solutions Inc. PowerSYSTEM Center2023-12-19icsa · cisa_csaf_otUS

    Successful exploitation of this vulnerability could result in an attacker achieving arbitrary code execution and privilege escalation through the unquoted service path.

07

also known as (3)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

cnnvdenisa_euvdcisa_csaf_otnvdNVDCVE.orgMITRE
published 2024-01-08modified 2026-06-17
10

references (8)

External citations — patches, advisories, analysis.

scry

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