{"cve":"CVE-2021-22159","nvd":{"published":"2021-01-26T20:15:12.227","modified":"2026-06-17T03:36:43.253","status":"Modified","description":"Insider Threat Management Windows Agent Local Privilege Escalation Vulnerability The Proofpoint Insider Threat Management (formerly ObserveIT) Agent for Windows before 7.4.3, 7.5.4, 7.6.5, 7.7.5, 7.8.4, 7.9.3, 7.10.2, and 7.11.0.25 as well as versions 7.3 and earlier is missing authentication for a critical function, which allows a local authenticated Windows user to run arbitrary commands with the privileges of the Windows SYSTEM user. Agents for MacOS, Linux, and ITM Cloud are not affected.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-306"],"references":["https://www.proofpoint.com/us/security/security-advisories","https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2021-0001","https://www.proofpoint.com/us/security/security-advisories","https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2021-0001"],"products":["proofpoint:insider_threat_management"],"source":"nvd","synced_at":"2026-10-19T21:14:10.479542811+00:00"},"epss":{"cve":"CVE-2021-22159","score":0.00335,"percentile":0.26924,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}