{"id":"CVE-2024-23456","aliases":["EUVD-2024-20954","GHSA-gx6v-2mjc-2j33"],"status":"published","title":"Signature validation issue leads to Anti-Tampering bypass","description":"Anti-tampering can be disabled under certain conditions without signature validation. This affects Zscaler Client Connector \u003c4.2.0.190 with anti-tampering enabled.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00228,"percentile":0.13683,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-347"],"published":"2024-08-06T15:21:51Z","modified":"2026-06-17T07:12:59Z","products":[{"vendor":"zscaler","product":"client connector"},{"vendor":"zscaler","product":"client_connector"}],"references":[{"url":"https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=windows\u0026applicable_version=4.2.0.190","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-23456"},{"url":"https://github.com/advisories/GHSA-gx6v-2mjc-2j33"}],"sources":{"cve":[{"id":"CVE-2024-23456","title":"Signature validation issue leads to Anti-Tampering bypass","description":"Anti-tampering can be disabled under certain conditions without signature validation. This affects Zscaler Client Connector \u003c4.2.0.190 with anti-tampering enabled.","status":"published","published":"2024-08-06T15:21:51.052Z","modified":"2024-08-06T15:44:01.045Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:34:05.444281Z"}],"euvd":[{"id":"EUVD-2024-20954","description":"Anti-tampering can be disabled under certain conditions without signature validation. This affects Zscaler Client Connector \u003c4.2.0.190 with anti-tampering enabled.","status":"published","published":"2024-08-06T15:21:51Z","modified":"2024-08-06T15:44:01Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T01:56:38.194266Z"}],"ghsa":[{"id":"GHSA-gx6v-2mjc-2j33","title":"Anti-tampering can be disabled under certain conditions without signature validation. This...","description":"Anti-tampering can be disabled under certain conditions without signature validation. This affects Zscaler Client Connector \u003c4.2.0.190 with anti-tampering enabled.","status":"published","published":"2024-08-06T18:30:56Z","modified":"2024-08-06T18:31:08Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:57:52.387174Z"}],"nvd":[{"id":"CVE-2024-23456","description":"Anti-tampering can be disabled under certain conditions without signature validation. This affects Zscaler Client Connector \u003c4.2.0.190 with anti-tampering enabled.","status":"published","published":"2024-08-06T16:15:47.06Z","modified":"2026-06-17T07:12:59.14Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:10:17.832118Z"}]}}