Show plain JSON{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-28807", "assignerOrgId": "73c6f63b-efac-410d-a0a9-569700f85a04", "state": "PUBLISHED", "assignerShortName": "Zscaler", "dateReserved": "2023-03-23T18:29:15.803Z", "datePublished": "2024-01-31T19:16:59.806Z", "dateUpdated": "2025-06-17T21:29:19.136Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "ZIA", "vendor": "Zscaler", "versions": [{"lessThan": "6.2r.290", "status": "affected", "version": "0", "versionType": "custom"}]}], "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "Citi Red Team"}], "datePublic": "2024-02-01T02:00:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "In Zscaler Internet Access (ZIA) a mismatch between Connect Host and Client Hello's Server Name Indication (SNI) enables attackers to evade network security controls by hiding their communications within legitimate traffic."}], "value": "In Zscaler Internet Access (ZIA) a mismatch between Connect Host and Client Hello's Server Name Indication (SNI) enables attackers to evade network security controls by hiding their communications within legitimate traffic."}], "impacts": [{"capecId": "CAPEC-554", "descriptions": [{"lang": "en", "value": "CAPEC-554 Functionality Bypass"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-295", "description": "CWE-295 Improper Certificate Validation", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "73c6f63b-efac-410d-a0a9-569700f85a04", "shortName": "Zscaler", "dateUpdated": "2024-01-31T19:17:15.685Z"}, "references": [{"url": "https://help.zscaler.com/zia/configuring-advanced-settings#domain-fronting"}, {"url": "https://help.zscaler.com/zia/configuring-advanced-settings#dns-optimization"}], "source": {"discovery": "UNKNOWN"}, "title": "Bypass of ZIA domain fronting detection module through evasion technique", "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T13:51:38.890Z"}, "title": "CVE Program Container", "references": [{"url": "https://help.zscaler.com/zia/configuring-advanced-settings#domain-fronting", "tags": ["x_transferred"]}, {"url": "https://help.zscaler.com/zia/configuring-advanced-settings#dns-optimization", "tags": ["x_transferred"]}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2023-28807", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-03-14T21:06:39.806468Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-06-17T21:29:19.136Z"}}]}}