{"id":"CVE-2023-4996","aliases":["EUVD-2023-54826","GHSA-ccf8-r983-v699"],"status":"published","title":"Local privilege escalation","description":"Netskope was made aware of a security vulnerability in its NSClient product for version 100 \u0026 prior where a malicious non-admin user can disable the Netskope client by using a specially-crafted package. The root cause of the problem was a user control code when called by a Windows ServiceController did not validate the permissions associated with the user before executing the user control code. This user control code had permissions to terminate the NSClient service.","severity":{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00445,"percentile":0.38917,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-281"],"published":"2023-11-06T10:16:06Z","modified":"2026-06-17T06:39:03Z","products":[{"vendor":"netskope","product":"netskope"},{"vendor":"netskope","product":"netskope client"}],"references":[{"url":"https://www.netskope.com/company/security-compliance-and-assurance/security-advisories-and-disclosures/netskope-security-advisory-nskpsa-2023-003","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-4996"},{"url":"https://github.com/advisories/GHSA-ccf8-r983-v699"}],"sources":{"cve":[{"id":"CVE-2023-4996","title":"Local privilege escalation ","description":"Netskope was made aware of a security vulnerability in its NSClient product for version 100 \u0026 prior where a malicious non-admin user can disable the Netskope client by using a specially-crafted package. The root cause of the problem was a user control code when called by a Windows ServiceController did not validate the permissions associated with the user before executing the user control code. This user control code had permissions to terminate the NSClient service. \n","status":"published","published":"2023-11-06T10:16:06.626Z","modified":"2024-09-05T15:19:00.692Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-281"],"updated_at":"2026-11-02T14:35:30.474787Z"}],"euvd":[{"id":"EUVD-2023-54826","description":"Netskope was made aware of a security vulnerability in its NSClient product for version 100 \u0026 prior where a malicious non-admin user can disable the Netskope client by using a specially-crafted package. The root cause of the problem was a user control code when called by a Windows ServiceController did not validate the permissions associated with the user before executing the user control code. This user control code had permissions to terminate the NSClient service. \n","status":"published","published":"2023-11-06T10:16:06Z","modified":"2024-09-05T15:19:00Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H","level":"medium"}],"updated_at":"2026-11-03T00:56:03.195853Z"}],"ghsa":[{"id":"GHSA-ccf8-r983-v699","title":"Netskope was made aware of a security vulnerability in its NSClient product for version 100 \u0026...","description":"Netskope was made aware of a security vulnerability in its NSClient product for version 100 \u0026 prior where a malicious non-admin user can disable the Netskope client by using a specially-crafted package. The root cause of the problem was a user control code when called by a Windows ServiceController did not validate the permissions associated with the user before executing the user control code. This user control code had permissions to terminate the NSClient service. \n","status":"published","published":"2023-11-06T12:30:24Z","modified":"2023-11-06T12:30:30Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H","level":"medium"}],"cwes":["CWE-281"],"updated_at":"2026-11-02T14:54:52.133061Z"}],"nvd":[{"id":"CVE-2023-4996","description":"Netskope was made aware of a security vulnerability in its NSClient product for version 100 \u0026 prior where a malicious non-admin user can disable the Netskope client by using a specially-crafted package. The root cause of the problem was a user control code when called by a Windows ServiceController did not validate the permissions associated with the user before executing the user control code. This user control code had permissions to terminate the NSClient service. \n","status":"published","published":"2023-11-06T11:15:09.593Z","modified":"2026-06-17T06:39:03.76Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-281"],"updated_at":"2026-11-02T14:08:43.669554Z"}]}}