{"id":"CVE-2019-9729","aliases":["EUVD-2019-19094","GHSA-2cjm-39g8-5fv8"],"status":"published","title":"In Shanda MapleStory Online V160, the SdoKeyCrypt.sys driver allows privilege escalation to NT...","description":"In Shanda MapleStory Online V160, the SdoKeyCrypt.sys driver allows privilege escalation to NT AUTHORITY\\SYSTEM because of not validating the IOCtl 0x8000c01c input value, leading to an integer signedness error and a heap-based buffer underflow.","severity":{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01047,"percentile":0.64432,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-129","CWE-787"],"published":"2019-03-12T22:00:00Z","modified":"2026-06-17T02:44:14Z","exploits":[{"source":"pocgithub","id":"HyperSine/SdoKeyCrypt-sys-local-privilege-elevation","title":"HyperSine/SdoKeyCrypt-sys-local-privilege-elevation","date":"2019-03-12","url":"https://github.com/HyperSine/SdoKeyCrypt-sys-local-privilege-elevation"},{"source":"pocgithub","id":"recozone/HyperSine","title":"recozone/HyperSine","date":"2022-05-27","url":"https://github.com/recozone/HyperSine"}],"products":[{"vendor":"shanda","product":"maplestory_online"}],"references":[{"url":"https://github.com/DoubleLabyrinth/SdoKeyCrypt-sys-local-privilege-elevation","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-9729"},{"url":"https://github.com/advisories/GHSA-2cjm-39g8-5fv8"}],"sources":{"cve":[{"id":"CVE-2019-9729","description":"In Shanda MapleStory Online V160, the SdoKeyCrypt.sys driver allows privilege escalation to NT AUTHORITY\\SYSTEM because of not validating the IOCtl 0x8000c01c input value, leading to an integer signedness error and a heap-based buffer underflow.","status":"published","published":"2019-03-12T22:00:00Z","modified":"2024-08-04T22:01:54.071Z","updated_at":"2026-11-02T14:20:20.397093Z"}],"euvd":[{"id":"EUVD-2019-19094","description":"In Shanda MapleStory Online V160, the SdoKeyCrypt.sys driver allows privilege escalation to NT AUTHORITY\\SYSTEM because of not validating the IOCtl 0x8000c01c input value, leading to an integer signedness error and a heap-based buffer underflow.","status":"published","published":"2019-03-12T22:00:00Z","modified":"2024-08-04T22:01:54Z","updated_at":"2026-11-03T03:06:37.634716Z"}],"ghsa":[{"id":"GHSA-2cjm-39g8-5fv8","title":"In Shanda MapleStory Online V160, the SdoKeyCrypt.sys driver allows privilege escalation to NT...","description":"In Shanda MapleStory Online V160, the SdoKeyCrypt.sys driver allows privilege escalation to NT AUTHORITY\\SYSTEM because of not validating the IOCtl 0x8000c01c input value, leading to an integer signedness error and a heap-based buffer underflow.","status":"published","published":"2022-05-13T01:23:05Z","modified":"2023-02-01T05:07:19Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:50:31.141675Z"}],"nvd":[{"id":"CVE-2019-9729","description":"In Shanda MapleStory Online V160, the SdoKeyCrypt.sys driver allows privilege escalation to NT AUTHORITY\\SYSTEM because of not validating the IOCtl 0x8000c01c input value, leading to an integer signedness error and a heap-based buffer underflow.","status":"published","published":"2019-03-12T22:29:01.363Z","modified":"2026-06-17T02:44:14.67Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"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-129","CWE-787"],"updated_at":"2026-11-02T14:05:07.268578Z"}]}}