CVE-2026-59570

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-59570", "assignerOrgId": "73c6f63b-efac-410d-a0a9-569700f85a04", "state": "PUBLISHED", "assignerShortName": "Zscaler", "dateReserved": "2026-07-06T06:18:59.633Z", "datePublished": "2026-09-14T14:47:13.914Z", "dateUpdated": "2026-09-14T15:32:24.258Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "73c6f63b-efac-410d-a0a9-569700f85a04", "shortName": "Zscaler", "dateUpdated": "2026-09-14T14:47:13.914Z"}, "title": "Android ZCC denial of service", "datePublic": "2026-09-14T15:00:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-20", "description": "CWE-20 Improper input validation", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-233", "descriptions": [{"lang": "en", "value": "CAPEC-233 Privilege Escalation"}]}], "affected": [{"vendor": "Zscaler", "product": "Client Connector", "platforms": ["Android", "ChromeOS"], "versions": [{"status": "affected", "version": "0", "lessThan": "Android: 4.2.0.152", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThan": "ChromeOS: 4.2.0.152", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "On affected versions of Zscaler client connector, a pre-installed peer app can tear down the Zscaler tunnel, force user logout, and toggle packet capture.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "On affected versions of Zscaler client connector, a pre-installed peer app can tear down the Zscaler tunnel, force user logout, and toggle packet capture."}]}], "references": [{"url": "https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2026"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:H"}}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.4"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-14T15:32:17.500926Z", "id": "CVE-2026-59570", "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": "2026-09-14T15:32:24.258Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-59570", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-14T15:32:17.500926Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-14T15:32:21.025Z"}}], "cna": {"title": "Android ZCC denial of service", "source": {"discovery": "UNKNOWN"}, "impacts": [{"capecId": "CAPEC-233", "descriptions": [{"lang": "en", "value": "CAPEC-233 Privilege Escalation"}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Zscaler", "product": "Client Connector", "versions": [{"status": "affected", "version": "0", "lessThan": "Android: 4.2.0.152", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThan": "ChromeOS: 4.2.0.152", "versionType": "custom"}], "platforms": ["Android", "ChromeOS"], "defaultStatus": "unaffected"}], "datePublic": "2026-09-14T15:00:00.000Z", "references": [{"url": "https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2026"}], "x_generator": {"engine": "Vulnogram 1.0.4"}, "descriptions": [{"lang": "en", "value": "On affected versions of Zscaler client connector, a pre-installed peer app can tear down the Zscaler tunnel, force user logout, and toggle packet capture.", "supportingMedia": [{"type": "text/html", "value": "On affected versions of Zscaler client connector, a pre-installed peer app can tear down the Zscaler tunnel, force user logout, and toggle packet capture.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-20", "description": "CWE-20 Improper input validation"}]}], "providerMetadata": {"orgId": "73c6f63b-efac-410d-a0a9-569700f85a04", "shortName": "Zscaler", "dateUpdated": "2026-09-14T14:47:13.914Z"}}}, "cveMetadata": {"cveId": "CVE-2026-59570", "state": "PUBLISHED", "dateUpdated": "2026-09-14T15:32:24.258Z", "dateReserved": "2026-07-06T06:18:59.633Z", "assignerOrgId": "73c6f63b-efac-410d-a0a9-569700f85a04", "datePublished": "2026-09-14T14:47:13.914Z", "assignerShortName": "Zscaler"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "platforms": ["Android", "ChromeOS"], "product": "Client Connector", "vendor": "Zscaler", "versions": [{"lessThan": "Android: 4.2.0.152", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThan": "ChromeOS: 4.2.0.152", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "cve@zscaler.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "On affected versions of Zscaler client connector, a pre-installed peer app can tear down the Zscaler tunnel, force user logout, and toggle packet capture."}], "id": "CVE-2026-59570", "lastModified": "2026-09-18T19:08:02.707", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.1, "impactScore": 5.8, "source": "cve@zscaler.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-59570", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-14T15:32:17.500926Z", "version": "2.0.3"}}]}, "published": "2026-09-14T15:17:06.720", "references": [{"source": "cve@zscaler.com", "url": "https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2026"}], "sourceIdentifier": "cve@zscaler.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "cve@zscaler.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": ["android"], "status": "affected", "versions": {"scheme": "generic", "value": "[0,4.2.0.152)"}}, {"platform": ["chromeos"], "status": "affected", "versions": {"scheme": "generic", "value": "[0,4.2.0.152)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Client Connector", "source": "cna", "vendor": "Zscaler"}, "product": "client_connector", "vendor": "zscaler"}], "created": "2026-09-15T06:00:21.711494+00:00", "updated": "2026-09-21T00:45:08.378158+00:00", "vendors": ["zscaler", "zscaler$PRODUCT$client_connector"]}