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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:zscaler:secure_internet_and_saas_access:*:*:*:*:*:*:*:*", "matchCriteriaId": "4DC095FA-C0CB-4E6F-B749-8DB0308F9C1C", "versionEndExcluding": "6.2r.290", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "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."}, {"lang": "es", "value": "En Zscaler Internet Access (ZIA), una falta de coincidencia entre Connect Host y Client Hello's Server Name Indication (SNI) permite a los atacantes evadir los controles de seguridad de la red ocultando sus comunicaciones dentro del tr\u00e1fico leg\u00edtimo."}], "id": "CVE-2023-28807", "lastModified": "2024-02-09T16:30:38.753", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"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"}, "exploitabilityScore": 2.5, "impactScore": 2.5, "source": "cve@zscaler.com", "type": "Secondary"}]}, "published": "2024-01-31T20:15:44.903", "references": [{"source": "cve@zscaler.com", "tags": ["Product"], "url": "https://help.zscaler.com/zia/configuring-advanced-settings#dns-optimization"}, {"source": "cve@zscaler.com", "tags": ["Product"], "url": "https://help.zscaler.com/zia/configuring-advanced-settings#domain-fronting"}], "sourceIdentifier": "cve@zscaler.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-295"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-295"}], "source": "cve@zscaler.com", "type": "Secondary"}]}

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