{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-105671", "assignerOrgId": "cf9c5165-6fe5-4ec0-b5f1-404f1df30a4e", "state": "PUBLISHED", "assignerShortName": "Zenitel", "dateReserved": "2026-10-05T17:24:32.718Z", "datePublished": "2026-11-13T15:37:28.294Z", "dateUpdated": "2026-11-13T15:37:28.294Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "cf9c5165-6fe5-4ec0-b5f1-404f1df30a4e", "shortName": "Zenitel", "dateUpdated": "2026-11-13T15:37:28.294Z"}, "title": "Zenitel Connect login allows username enumeration via verbose error responses", "datePublic": "2026-11-13T15:36:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-204", "description": "CWE-204 Observable Response Discrepancy", "type": "CWE"}]}], "affected": [{"vendor": "Zenitel", "product": "Zenitel Connect", "versions": [{"status": "affected", "version": "0", "lessThan": "1.11.0", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The login flow in Zenitel Connect before 1.11.0 returns different error responses depending on whether a submitted username exists, which allows remote attackers to enumerate valid user accounts via crafted login requests.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>The login flow in Zenitel Connect before 1.11.0 returns different error responses depending on whether a submitted username exists, which allows remote attackers to enumerate valid user accounts via crafted login requests.</p>"}]}], "references": [{"url": "https://www.zenitel.com/sites/default/files/2026-11/A100K12404-Zenitel-Security-Advisory.pdf"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "MEDIUM", "baseScore": 6.9, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"}}], "solutions": [{"lang": "en", "value": "Upgrade to version 1.11.0", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Upgrade to version 1.11.0</p>"}]}], "credits": [{"lang": "en", "value": "Reported by ZeroSubnet", "type": "reporter"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}}}

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