{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-31935","assignerOrgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","state":"PUBLISHED","assignerShortName":"icscert","dateReserved":"2025-04-08T00:02:45.747Z","datePublished":"2025-04-11T15:33:08.761Z","dateUpdated":"2025-04-11T16:12:37.100Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"PowerSYSTEM Center 2020","vendor":"Subnet Solutions","versions":[{"lessThanOrEqual":"5.24.x","status":"affected","version":"0","versionType":"custom"}]}],"credits":[{"lang":"en","type":"finder","value":"Subnet Solutions Inc. reported this vulnerability to CISA."}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<span style=\"background-color: rgb(255, 255, 255);\">\n\n<span style=\"background-color: rgb(255, 255, 255);\">Subnet Solutions</span> \n\n<span style=\"background-color: rgb(255, 255, 255);\">PowerSYSTEM Center is affected by a mishandling of exceptional conditions vulnerability. Crafted data that is passed to the API may trigger an exception, resulting in a denial-of-service condition.</span>\n\n</span>"}],"value":"Subnet Solutions \n\nPowerSYSTEM Center is affected by a mishandling of exceptional conditions vulnerability. Crafted data that is passed to the API may trigger an exception, resulting in a denial-of-service condition."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":6.2,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]},{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":6.9,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-502","description":"CWE-502 Deserialization of Untrusted Data","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","shortName":"icscert","dateUpdated":"2025-04-11T15:33:08.761Z"},"references":[{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-25-100-08"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>Subnet Solutions Inc. recommends users update PowerSYSTEM Center (PSC) to the latest versions:</p><ul><li>PSC 2020 Update 25</li><li>PSC 2024</li></ul>\n\n\n\n<span style=\"background-color: rgb(255, 255, 255);\">For assistance with updating PSC, reach out directly to </span><a target=\"_blank\" rel=\"nofollow\">Subnet Solutions</a><span style=\"background-color: rgb(255, 255, 255);\">.</span>\n\n<br>"}],"value":"Subnet Solutions Inc. recommends users update PowerSYSTEM Center (PSC) to the latest versions:\n\n  *  PSC 2020 Update 25\n  *  PSC 2024\n\n\n\n\n\n\nFor assistance with updating PSC, reach out directly to Subnet Solutions."}],"source":{"advisory":"ICSA-25-100-08","discovery":"INTERNAL"},"title":"Subnet Solutions PowerSYSTEM Center Deserialization of Untrusted Data","workarounds":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>If updating PSC is not possible, Subnet Solutions Inc recommends users apply the following mitigations to help reduce risk:</p><ul><li>Disable Notification Service, Email Dispatch Service, or the outgoing email server in Notifications/Settings.</li><li>Configure PowerSYSTEM Center DCS network firewall to only allow connections to an approved and authorized email server.</li><li>Manage administrator access to PowerSYSTEM Center DCS operating system.</li><li>Monitor user activity records to ensure users are following acceptable usage policies of the application.</li></ul>\n\n<br>"}],"value":"If updating PSC is not possible, Subnet Solutions Inc recommends users apply the following mitigations to help reduce risk:\n\n  *  Disable Notification Service, Email Dispatch Service, or the outgoing email server in Notifications/Settings.\n  *  Configure PowerSYSTEM Center DCS network firewall to only allow connections to an approved and authorized email server.\n  *  Manage administrator access to PowerSYSTEM Center DCS operating system.\n  *  Monitor user activity records to ensure users are following acceptable usage policies of the application."}],"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-04-11T16:12:25.226600Z","id":"CVE-2025-31935","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-04-11T16:12:37.100Z"}}]}}