{"id":"CVE-2023-28796","aliases":["EUVD-2023-32431","GHSA-4pxq-qc65-2pqq"],"status":"published","title":"IPC Bypass Through PLT Section in ELF","description":"Improper Verification of Cryptographic Signature vulnerability in Zscaler Client Connector on Linux allows Code Injection. This issue affects Zscaler Client Connector for Linux: before 1.3.1.6.","severity":{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00185,"percentile":0.08154,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-347","CWE-94"],"published":"2023-10-23T13:28:15Z","modified":"2026-06-17T05:48:47Z","products":[{"vendor":"zscaler","product":"client connector"},{"vendor":"zscaler","product":"client_connector"}],"references":[{"url":"https://help.zscaler.com/client-connector/client-connector-app-release-summary-2022?applicable_category=Linux\u0026applicable_version=1.3.1\u0026deployment_date=2022-09-19","tags":["x_transferred","Release Notes"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-28796"},{"url":"https://github.com/advisories/GHSA-4pxq-qc65-2pqq"}],"sources":{"cve":[{"id":"CVE-2023-28796","title":"IPC Bypass Through PLT Section in ELF","description":"Improper Verification of Cryptographic Signature vulnerability in Zscaler Client Connector on Linux allows Code Injection. This issue affects Zscaler Client Connector for Linux: before 1.3.1.6.","status":"published","published":"2023-10-23T13:28:15.79Z","modified":"2025-02-27T20:39:40.997Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:35:32.376766Z"}],"euvd":[{"id":"EUVD-2023-32431","description":"Improper Verification of Cryptographic Signature vulnerability in Zscaler Client Connector on Linux allows Code Injection. This issue affects Zscaler Client Connector for Linux: before 1.3.1.6.","status":"published","published":"2023-10-23T13:28:15Z","modified":"2025-02-27T20:39:40Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T20:53:21.469581Z"}],"ghsa":[{"id":"GHSA-4pxq-qc65-2pqq","title":"\nImproper Verification of Cryptographic Signature vulnerability in Zscaler Client Connector on...","description":"\nImproper Verification of Cryptographic Signature vulnerability in Zscaler Client Connector on Linux allows Code Injection. This issue affects Zscaler Client Connector for Linux: before 1.3.1.6.\n\n\n\n","status":"published","published":"2023-10-23T15:30:24Z","modified":"2024-10-17T15:32:10Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high"}],"cwes":["CWE-94","CWE-347"],"updated_at":"2026-11-02T14:58:31.969274Z"}],"nvd":[{"id":"CVE-2023-28796","description":"Improper Verification of Cryptographic Signature vulnerability in Zscaler Client Connector on Linux allows Code Injection. This issue affects Zscaler Client Connector for Linux: before 1.3.1.6.","status":"published","published":"2023-10-23T14:15:09.507Z","modified":"2026-06-17T05:48:47.407Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"secondary"},{"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":"primary"}],"cwes":["CWE-94","CWE-347"],"updated_at":"2026-11-02T14:08:39.058878Z"}]}}