{"id":"CVE-2020-10656","aliases":["EUVD-2020-3103","GHSA-r5pw-3hxj-jmpq"],"status":"published","title":"The Proofpoint Insider Threat Management Server (formerly ObserveIT Server) before 7.9.1 contains...","description":"The Proofpoint Insider Threat Management Server (formerly ObserveIT Server) before 7.9.1 contains a vulnerability in the ITM application server's WriteWindowMouseWithChunksV2 API. The vulnerability allows an anonymous remote attacker to execute arbitrary code with local administrator privileges. The vulnerability is caused by improper deserialization.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.02694,"percentile":0.86024,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2021-01-06T13:33:52Z","modified":"2026-06-17T02:48:11Z","products":[{"vendor":"proofpoint","product":"insider_threat_management_server"}],"references":[{"url":"https://www.proofpoint.com/us/blog","tags":["x_refsource_MISC","x_transferred","Product"]},{"url":"https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2020-0003","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-10656"},{"url":"https://github.com/advisories/GHSA-r5pw-3hxj-jmpq"}],"sources":{"cve":[{"id":"CVE-2020-10656","description":"The Proofpoint Insider Threat Management Server (formerly ObserveIT Server) before 7.9.1 contains a vulnerability in the ITM application server's WriteWindowMouseWithChunksV2 API. The vulnerability allows an anonymous remote attacker to execute arbitrary code with local administrator privileges. The vulnerability is caused by improper deserialization.","status":"published","published":"2021-01-06T13:33:52Z","modified":"2024-08-04T11:06:10.619Z","updated_at":"2026-11-02T14:35:47.877975Z"}],"euvd":[{"id":"EUVD-2020-3103","description":"The Proofpoint Insider Threat Management Server (formerly ObserveIT Server) before 7.9.1 contains a vulnerability in the ITM application server's WriteWindowMouseWithChunksV2 API. The vulnerability allows an anonymous remote attacker to execute arbitrary code with local administrator privileges. The vulnerability is caused by improper deserialization.","status":"published","published":"2021-01-06T13:33:52Z","modified":"2024-08-04T11:06:10Z","updated_at":"2026-11-03T03:07:49.454544Z"}],"ghsa":[{"id":"GHSA-r5pw-3hxj-jmpq","title":"The Proofpoint Insider Threat Management Server (formerly ObserveIT Server) before 7.9.1 contains...","description":"The Proofpoint Insider Threat Management Server (formerly ObserveIT Server) before 7.9.1 contains a vulnerability in the ITM application server's WriteWindowMouseWithChunksV2 API. The vulnerability allows an anonymous remote attacker to execute arbitrary code with local administrator privileges. The vulnerability is caused by improper deserialization.","status":"published","published":"2022-05-24T17:38:04Z","modified":"2023-01-29T05:04:55Z","cwes":["CWE-502"],"updated_at":"2026-11-02T14:45:40.253766Z"}],"nvd":[{"id":"CVE-2020-10656","description":"The Proofpoint Insider Threat Management Server (formerly ObserveIT Server) before 7.9.1 contains a vulnerability in the ITM application server's WriteWindowMouseWithChunksV2 API. The vulnerability allows an anonymous remote attacker to execute arbitrary code with local administrator privileges. The vulnerability is caused by improper deserialization.","status":"published","published":"2021-01-06T14:15:13.5Z","modified":"2026-06-17T02:48:11.66Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:06:28.892872Z"}]}}