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        "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "state": "PUBLISHED",
        "assignerShortName": "mitre",
        "dateReserved": "2026-09-12T22:28:32.772Z",
        "datePublished": "2026-09-12T22:38:16.637Z",
        "dateUpdated": "2026-09-12T22:38:16.637Z"
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    "containers": {
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            "affected": [
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                    "defaultStatus": "unaffected",
                    "platforms": [
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                    "product": "ASE2000 V2 Communication Test Set",
                    "vendor": "Kalkitech",
                    "versions": [
                        {
                            "lessThan": "2.38",
                            "status": "affected",
                            "version": "2.35",
                            "versionType": "custom"
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            ],
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                    "lang": "en",
                    "value": "ASE/Kalkitech ASE2000 V2 Communication Test Set 2.35 through 2.37 on Windows contains an improper certificate validation vulnerability in the IEC 60870-5-104 TLS client (Task Mode). This allows a network-positioned attacker to bypass certificate validation via a certificate with multiple simultaneous faults, enabling a Man-in-the-Middle attack on protected communications."
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                        "Recovery": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "attackComplexity": "HIGH",
                        "attackRequirements": "NONE",
                        "attackVector": "NETWORK",
                        "baseScore": 9.1,
                        "baseSeverity": "CRITICAL",
                        "privilegesRequired": "NONE",
                        "providerUrgency": "NOT_DEFINED",
                        "subAvailabilityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "userInteraction": "NONE",
                        "valueDensity": "NOT_DEFINED",
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                        "baseScore": 7.4,
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                        "confidentialityImpact": "HIGH",
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                    "descriptions": [
                        {
                            "cweId": "CWE-295",
                            "description": "CWE-295 Improper Certificate Validation",
                            "lang": "en",
                            "type": "CWE"
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                    ]
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            "providerMetadata": {
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                "shortName": "mitre",
                "dateUpdated": "2026-09-12T22:38:16.637Z"
            },
            "references": [
                {
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://www.ase-systems.com/wp-content/uploads/2026/07/CYB_2026_86278_Advisory_v1.0.pdf"
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