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CVE-2025-31354

Subnet Solutions PowerSYSTEM Center Out-of-Bounds Read

Medium5.3EPSS 0.14%
Published
Updated
Reserved
Assigned by
icscert

Description

Subnet Solutions PowerSYSTEM Center's SMTPS notification service can be affected by importing an EC certificate with crafted F2m parameters, which can lead to excessive CPU consumption during the evaluation of the curve parameters.

Scores

CVSS scores of CVE-2025-31354, by who scored it
Scored byCVSSScoreVector
icscertCNA (assigner)4.0Medium5.3CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
icscertCNA (assigner)3.1Medium4.3CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVDNVD · Deferred4.0Medium5.3CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS (exploitation in 30 days)
0.14% · top 97% of all CVEs (6 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.

Weakness

Affected products

What to do

Solution: Subnet Solutions Inc. recommends users update PowerSYSTEM Center (PSC) to the latest versions: * PSC 2020 Update 25 * PSC 2024 For assistance with updating PSC, reach out directly to Subnet Solutions.

Workaround: If updating PSC is not possible, Subnet Solutions Inc recommends users apply the following mitigations to help reduce risk: * Disable Notification Service, Email Dispatch Service, or the outgoing email server in Notifications/Settings. * Configure PowerSYSTEM Center DCS network firewall to only allow connections to an approved and authorized email server. * Manage administrator access to PowerSYSTEM Center DCS operating system. * Monitor user activity records to ensure users are following acceptable usage policies of the application.

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .