CVE-2021-22159

7.8 highEPSS 0.3%

High (7.8) in proofpoint insider threat management. EPSS 0.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.8 high

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 26% of CVEs (scores of 2026-10-31)
CWE: CWE-306
Published: 2021-01-26
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

proofpoint:insider_threat_management

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

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