{"id":"CVE-2008-5121","aliases":["EUVD-2008-5100","GHSA-928c-9c6q-76w6"],"status":"published","title":"dne2000.sys in Citrix Deterministic Network Enhancer (DNE) 2.21.7.233 through 3.21.7.17464, as...","description":"dne2000.sys in Citrix Deterministic Network Enhancer (DNE) 2.21.7.233 through 3.21.7.17464, as used in (1) Cisco VPN Client, (2) Blue Coat WinProxy, and (3) SafeNet SoftRemote and HighAssurance Remote, allows local users to gain privileges via a crafted DNE_IOCTL DeviceIoControl request to the \\\\.\\DNE device interface.","severity":{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.0112,"percentile":0.66392,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-264"],"published":"2008-11-18T00:00:00Z","modified":"2026-06-16T22:59:17Z","exploits":[{"source":"exploitdb","id":"EDB-5837","title":"Deterministic Network Enhancer - 'dne2000.sys' Kernel Ring0 SYSTEM","type":"local","platform":"windows","date":"2008-06-17","verified":true,"url":"https://www.exploit-db.com/exploits/5837"}],"products":[{"vendor":"citrix","product":"deterministic_network_enhancer"}],"references":[{"url":"http://www.kb.cert.org/vuls/id/858993","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","US Government Resource"]},{"url":"http://www.vupen.com/english/advisories/2008/1867","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"https://www.exploit-db.com/exploits/5837","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2008/1868","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://www.digit-labs.org/files/exploits/dne2000-call.c","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://secunia.com/advisories/30728","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://support.citrix.com/article/CTX117751","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.securityfocus.com/bid/29772","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://securityreason.com/securityalert/4600","tags":["third-party-advisory","x_refsource_SREASON","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2008/1865","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://secunia.com/advisories/30753","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/43153","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2008/1866","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://secunia.com/advisories/30744","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://tools.cisco.com/Support/BugToolKit/search/getBugDetails.do?method=fetchBugDetails\u0026bugId=CSCsm25860","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://secunia.com/advisories/30747","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2008-5121"},{"url":"https://github.com/advisories/GHSA-928c-9c6q-76w6"}],"sources":{"cve":[{"id":"CVE-2008-5121","description":"dne2000.sys in Citrix Deterministic Network Enhancer (DNE) 2.21.7.233 through 3.21.7.17464, as used in (1) Cisco VPN Client, (2) Blue Coat WinProxy, and (3) SafeNet SoftRemote and HighAssurance Remote, allows local users to gain privileges via a crafted DNE_IOCTL DeviceIoControl request to the \\\\.\\DNE device interface.","status":"published","published":"2008-11-18T00:00:00Z","modified":"2024-08-07T10:40:17.197Z","updated_at":"2026-11-02T14:34:44.297409Z"}],"euvd":[{"id":"EUVD-2008-5100","description":"dne2000.sys in Citrix Deterministic Network Enhancer (DNE) 2.21.7.233 through 3.21.7.17464, as used in (1) Cisco VPN Client, (2) Blue Coat WinProxy, and (3) SafeNet SoftRemote and HighAssurance Remote, allows local users to gain privileges via a crafted DNE_IOCTL DeviceIoControl request to the \\\\.\\DNE device interface.","status":"published","published":"2008-11-18T00:00:00Z","modified":"2024-08-07T10:40:17Z","updated_at":"2026-11-03T01:38:44.942911Z"}],"ghsa":[{"id":"GHSA-928c-9c6q-76w6","title":"dne2000.sys in Citrix Deterministic Network Enhancer (DNE) 2.21.7.233 through 3.21.7.17464, as...","description":"dne2000.sys in Citrix Deterministic Network Enhancer (DNE) 2.21.7.233 through 3.21.7.17464, as used in (1) Cisco VPN Client, (2) Blue Coat WinProxy, and (3) SafeNet SoftRemote and HighAssurance Remote, allows local users to gain privileges via a crafted DNE_IOCTL DeviceIoControl request to the \\\\.\\DNE device interface.","status":"published","published":"2022-05-17T00:45:27Z","modified":"2023-02-03T05:02:17Z","updated_at":"2026-11-02T14:53:08.281577Z"}],"nvd":[{"id":"CVE-2008-5121","description":"dne2000.sys in Citrix Deterministic Network Enhancer (DNE) 2.21.7.233 through 3.21.7.17464, as used in (1) Cisco VPN Client, (2) Blue Coat WinProxy, and (3) SafeNet SoftRemote and HighAssurance Remote, allows local users to gain privileges via a crafted DNE_IOCTL DeviceIoControl request to the \\\\.\\DNE device interface.","status":"published","published":"2008-11-18T00:30:00.517Z","modified":"2026-06-16T22:59:17.56Z","cvss":[{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-264"],"updated_at":"2026-11-02T14:01:29.702694Z"}]}}