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    "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": [
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                            "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"
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                            "value": "GENERAL"
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                    "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",
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                            "lang": "en",
                            "value": "GENERAL"
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            ],
            "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": [
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                    "lang": "en",
                    "supportingMedia": [
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                            "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": [
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                            "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"
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        "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"
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}