{"id":"CVE-2025-15641","aliases":["EUVD-2025-210212","GHSA-jv52-q48w-cm7j"],"status":"published","title":"Netskope Client Exposed IOCTL with Insufficient Access Controls","description":"Netskope was notified about a potential gap in its Netskope Client for Windows systems where a malicious insider with administrative privileges can potentially tamper with the customer IOCTL by sending crafted IOCTL requests to the driver. A successful exploit can result in the bypassing of all anti-tampering protections for the NSClient.Affected Product(s) and Version(s)\n  *  Product Name: Netskope Client\n  *  Affected Platform: Windows\n  *  Affected Version: All version below R138","severity":{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00163,"percentile":0.05477,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-782"],"published":"2026-06-17T01:31:51Z","modified":"2026-10-07T08:10:00Z","products":[{"vendor":"netskope","product":"netskope client"}],"references":[{"url":"https://www.netskope.com/resources/netskope-resources/netskope-security-advisory-nskpsa-2025-007"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-15641"},{"url":"https://github.com/advisories/GHSA-jv52-q48w-cm7j"}],"sources":{"cve":[{"id":"CVE-2025-15641","title":"Netskope Client Exposed IOCTL with Insufficient Access Controls","description":"Netskope was notified about a potential gap in its Netskope Client for Windows systems where a malicious insider with administrative privileges can potentially tamper with the customer IOCTL by sending crafted IOCTL requests to the driver. A successful exploit can result in the bypassing of all anti-tampering protections for the NSClient.Affected Product(s) and Version(s)\n  *  Product Name: Netskope Client\n  *  Affected Platform: Windows\n  *  Affected Version: All version below R138","status":"published","published":"2026-06-17T01:31:51.228Z","modified":"2026-06-17T14:57:22.093Z","cvss":[{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-782"],"updated_at":"2026-11-02T14:32:37.351404Z"}],"euvd":[{"id":"EUVD-2025-210212","description":"Netskope was notified about a potential gap in its Netskope Client for Windows systems where a malicious insider with administrative privileges can potentially tamper with the customer IOCTL by sending crafted IOCTL requests to the driver. A successful exploit can result in the bypassing of all anti-tampering protections for the NSClient.Affected Product(s) and Version(s)\n  *  Product Name: Netskope Client\n  *  Affected Platform: Windows\n  *  Affected Version: All version below R138","status":"published","published":"2026-06-17T01:31:51Z","modified":"2026-06-17T14:57:22Z","cvss":[{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T18:20:38.239877Z"}],"ghsa":[{"id":"GHSA-jv52-q48w-cm7j","title":"Netskope was notified about a potential gap in its Netskope Client for Windows systems where a...","description":"Netskope was notified about a potential gap in its Netskope Client for Windows systems where a malicious insider with administrative privileges can potentially tamper with the customer IOCTL by sending crafted IOCTL requests to the driver. A successful exploit can result in the bypassing of all anti-tampering protections for the NSClient.Affected Product(s) and Version(s)\n  *  Product Name: Netskope Client\n  *  Affected Platform: Windows\n  *  Affected Version: All version below R138","status":"published","published":"2026-06-17T18:35:42Z","modified":"2026-06-17T18:35:49Z","cvss":[{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"cwes":["CWE-782"],"updated_at":"2026-11-02T15:08:50.590456Z"}],"nvd":[{"id":"CVE-2025-15641","description":"Netskope was notified about a potential gap in its Netskope Client for Windows systems where a malicious insider with administrative privileges can potentially tamper with the customer IOCTL by sending crafted IOCTL requests to the driver. A successful exploit can result in the bypassing of all anti-tampering protections for the NSClient.Affected Product(s) and Version(s)\n  *  Product Name: Netskope Client\n  *  Affected Platform: Windows\n  *  Affected Version: All version below R138","status":"published","published":"2026-06-17T13:19:13.07Z","modified":"2026-10-07T08:10:00.2Z","cvss":[{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"}],"cwes":["CWE-782"],"updated_at":"2026-11-02T14:12:02.535029Z"}]}}